I know that there are two types of stainless. 409 and 304. Which looks the best and which holds up the best. I live in California and salt and snow are not a factor. I wanted to get a HOG system but found the MBRP and like the look.

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D15TUR3ED


I just this week installed the MBRP 4" T-409 SS cat back system on my truck. I live in Idaho so I do get the snow along with the salt on the roads or whatever it is they use. I went with the 409 system because it has a 5 year guarantee. I feel that this would suffice for my needs and climate.


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I know that there are two types of stainless. 409 and 304. Which looks the best and which holds up the best. I live in California and salt and snow are not a factor. I wanted to get a HOG system but found the MBRP and like the look.


Both types of SS will hold up reasonably well in the elements, and in CA, I'm sure either will hold up VERY well in the non-elements :) From what I understand, the 304 is full mirror polished where the 409 is not. So in your situation in a non-salt environment, I would have to say it all comes down to how you want it to look and how much extra $$$ you have in the bank.

I am getting ready to order the full LLY MBRP system 409SS. I have heard good things about it, and have a MBRP system on my grizzly and it is great. The 304 is a higher grade (more alloy) stainless, but is more brittle. 409 is all you need in an exhaust, should last more than 5 yrs even in salt!

Thank you all!

Is anyone having issues with the MBRP throwing codes on their LLY's? I may be interested in going with an aftermarket setup (SS) and know that MBRP is one hell of a company but am concerned with codes being thrown. Just had alot of issues on my last Dudge (Didn't have an MBRP, had a different brand...)...


TIA- JarrodEdited by: se7enracing

How about the noise these exhaust systems make? I like to have it quiet - at least at cruising speeds. Is there any exhaust out there which is almost as quiet as the original one installed from the manufacturer?
Thanks!

Mahalkita


I just had the MBRP cat back exhaust installed and its not loud, It does change the tone to a deeper note just enough to let you know there is something serious going on underneath the hood while crusing around town, It has not thrown out any codes but I wouldn't expect that as I still have the cat, Still I know things are running cooler and throttle responce is quicker. Highway running is great, I hear more engine noise than exhaust as the exhaust note is behind. I'd like to get someone to go by me at highway speed driving my truck so I can hear what it sounds like.


I do have that annoying duramax tick that seems like its getting louder, wish I knew what it really was and hope it goes away soon


Rob

yes, the "tick"...what the hell is that?

"Rippem wrote".........


yes, the "tick"...what the hell is that?




I don't think anyone really knows, Interesting that on a cool engine its not there until things warm up, I think the General is guessing at the air bubble theory, and when they don't know what or how to fix something, they take the position that "it doesn't affect long term reliability"


Some report that it goes away after a few oil changes which tells me that it may be related to break in issues possibly in relationship to clearance. Some people apparently never get rid of it,


One thing I know for sure........It drives me nuts listening to it. I build engines as a hobby and I hate noises.


I just got out of a GM piston slappin Vortec and now I got myself a Dmax tickin diesel


Do 01's, 02's and 03's have this?


Rob

I want the polished one for the bling factor.

Speaking of the tick, where exactly is the noise coming from? Is it like an idler pully tick or an exhaust leak or what. I have some sort of noise coming from mine. It seems to be coming from underneath. It's not a consistant tick but it is there.

I want the polished one for the bling factor.


Like this..........


http://dieselplace.com/forum/uploads/Front_Pipe.jpg


http://dieselplace.com/forum/uploads/Intermediate_to_muffler.jpg


http://dieselplace.com/forum/uploads/Rear_Crossover.jpg


http://dieselplace.com/forum/uploads/635_Tailpipes.jpg





Thttp://www.dieselplace.com/forum/smileys/Embarrased.gifNY

Oh Yeah!!!!!!!! Just like that. Except the single version.

Do you think I could get MBRP to make a set of good duals straight out the back instead of on an angle. I have two 28 1/2 inch long 5" semi tips on my 96 Z71,5.7 right now and would probably want to have it go straight out the back again when I get my Duramax.

Z71, If your going to tow with your duramax you're not gonna want them straight out the back.

Whys that Max Power? No clearance, What about airbags? I don't tow only every once and a while. Might change after I get the Max but airbags would help wouldnt they?

soot &amp; heat!

Can you hear the engine over the exhaust at idle? Muffler or straight either way.

And screaming down the road can you hear any sound from the exhaust? I like to hear some deep rumble when I'm driving even with the radio on

D15TUR3ED,


The main differences between 409 and 304 is the content 304 has of nickel and chromuim. These are the materials that make it non magnetic and are also what make it so easy to wipe down with hot soapy water in the spring and make it look almost like new. The nickel and chromium also make the 304 much harder than 409 and bending it is a lot less fun because of the hardness. MBRP is pretty particular and won't send out a pipe thats "close". So there is a lot of scrap with 304 as the spring back and bending process is tougher and quality standards are pretty tight. 304 is the king of materials for exhaust use, but depending on how long you plan to keep the truck and where you live as well as how "Pretty" you want the system to be are what you need to take into account when purchasing the different materials. All of the MBRP stainless steel systems we sell are polished, the 304 will hold the polish while the 409 will grey/brown out over time. Call me if you have any questions etc.


Mark @ DPPI

Max Power, what do you mean about the soot and heat. It would all go behind you wouldnt it? And it is good to expell heat isn't it? They have 4" MBRP duals why can't I have them straight back.

Max Power, what do you mean about the soot and heat. It would all go behind you wouldnt it? And it is good to expell heat isn't it? They have 4" MBRP duals why can't I have them straight back.


If it goes out the side it will go around your trailer. If it goes out the back it will be directed right at your trailer. You trailer will be BLACK and depending on the material I would be afraid of it melting as well. I'm not sure about that melting issue but there is no doubt about the Soot!

I just wish I could see more pics or videos of the "Cool Duals" on something other than a dually. Since I would be getting a new style I would want to see what it looks like on there because I cannot picture what some stuff looks like before it is done. I didn't think about the trailer being sooted or I didnt think that it would actually melt the trailer with this heat. I just like the looks of them going out the back opposed to angled out the side.

Hey Mark. Thanks for the reply. I live in California and there really aren't any elements. I do want that polished look. What is the cost on the 304 turbo back single exit system. Thanks in advance.

Anybody have pics for the 04 style with duals or something. That's what I'll be getting in Arrival blue and cannot picture what they would look like. I don't want to have to put them on and be dissapointed when I get my truck.

D15TUR3ED,


The sites don't like us Vendors to post pricing so check your PM mails.


Mark @ DPPI


Regarding the pictures we have a few differnt ones on our site at www.dieselperformanceparts.com (http://www.dieselperformanceparts.com) Can't remember if any of them are 2004's though.Edited by: Mark Craig

Mark PM me also if you can match the Jegs 304(hog) price with shipping, I'll buy the 409 MBRP. 304 is overkill anyway, and I like MBRP, never heard of HOG.

Mark, can you PM me also please? What do I need for the LLY with CAT? I am interested in the 409 system (CC SB)

Thanks

can u pm me as well. would like both prices ( turbo back ) single outlet..thank you





brian

Mark,


I'd be interested in a 409 system for a crew cab, long box 2004.5 (LLY) 4x4. I don't care about bling, actually I prefer no bling, but what I would like is a straight pipe, cat back single exit. MBRP would be fine, but I would prefer to save a little by cutting out the muffler, I wouldn't use it anyway. Does MBRP offer any options on their system as I've described?


Thanks,
Dennis

The MBRP systems are from the 4 bolt flange back and are configured for a CC SB truck. If you have a ex. cab short bed, about 9 1/2 in. needs to be cut off. If you have a reg. cab LB, about 20 in. needs to be cut. If you have a CC long bed, you will need to order the extension pipe.


For the LLY guys that want to get rid of their cat, you can order the optional front-pipe. For those of you with emissions testing, you can switch back to the stock front pipe when testing time rolls around. Hope this helps.

baimpala,


We have a muffler delete pipe to get you want you want, it swaps in and out in place of the muffler etc. The muffler is so close to "zero" restriction you might just want to go with it anyway. Give me a call and we'll be glad to answer anll your questions etc, 866-455-7788.


Mark @ DPPI

Morning Members,


I PM'ed all of those that wanted info, hope you got it call us if you need us!


Mark @ DPPI

I am interested in the noise of the exhaust in town and on the highway and towing. A nice rumble would be great. would straight pipe work while keeping the cat or would i need to use the muffler? What about price for the system you have been talking about?
04 lly cc sb 4x4 2500hd

mark, can you pm me a price on a 409 turbo back single system? thanks, ray

trapman,


If you want near stock sound levels get our MBRP system with the muffler and keep your cat in place. You'll get a good rumble when you have your foot in it but when cruising it's real calm. I can't list pricing as the site moderators don't appreciate it etc so I will PM you.


Mark @ DPPI

Mark,
I thought the moderators didn't like non-supporting vendors posting prices, but you are a supporting vendor.
Am I wrong?

Mark @ DPPI


I ordered my duals from Cory and he said they should reach me by Friday.


Question, to keep from cutting the original exhaust. Other than un-bolting the system at the flange, is there anything else needed to be removed from the truck, right rear wheel or rear shocks?


Regards,http://www.dieselplace.com/forum/smileys/Geek.gif


Melvin D. Hatcher Jr.

Mark,
I thought the moderators didn't like non-supporting vendors posting prices, but you are a supporting vendor.
Am I wrong?


Any supporting vendor can post about the products or services offered.


In an attempt to make the site not look like a giant Classified Advertisement we have chosen to request prices be kept on the VENDORS WEB SITES and not posted everywhere in open forums.


Thanks,


TONYEdited by: GMC-2002-Dmax

Melvin Hatcher,


You can remove the rear section in one piece but you'll need to get the truck up in the air and remove the shock and be prepared to do some serious twisting and such. It will come out but it isn't any fun.


Thanks for the order, enjoy it!


Mark @ DPPI

To add


Remove right shock .... Unbolt at flange ...Remove from hangers alow system to lie lose ...


Jack body at bumper to give maximum clearence over rear axle ...


Bring rearword section forward to remove...


Use extreme caution ....





Mac Edited by: Mackin

Mac and Mark,


Thanks for the info, I am sure that I will enjoy the sound of my new duals, as much as my Avatar twins. http://www.dieselplace.com/forum/smileys/Cool.gif

My dual's came today. I will install them tomorrow. I will post the results as soon as I test drive after the installation.


Regards,


Melvinhttp://www.dieselplace.com/forum/smileys/Geek.gif

SAW THIS AFTER I POSTED IN THE "LLY EXHUAST" thread-----


I a new here but I bought the 409SS single exit system for my LLY from MARK CRAIG last Mon. got it Wed. and had her istalled in about an hr. once I quit messin' with the damn rubber hangers and used some Penetrating lube to get them off...


I love it so far, took a 6hr. trip to SC on it this past Fri. and liked the sound.. It has a bit of interior resonance at speed before it slips into OD, but I LIKE THAT... I am goign to remove my cat. though and replace it with my buddies old LB7 downpipe, it still isn't loud enough or puffin enough soot for my taste.


BTW: mine isn't throwing any in-cab codes/dash lights, I am sure it will throw codes when I remove the CAT. but if there are any ILL effects of removing the cat. I would love to hear them as well...





GREAT SETUP in my OPNION, wish I had got the 304 though!!!!!!





BIG

GREAT SETUP in my OPNION, wish I had got the 304 though!!!!!!


Well, at least you were able to get your single 409 system installed. I ordered dual 304 system Mon. and received it yesterday. I spent all day trying to get it to fit. come to find out the front pipe is the wrong length. I called the vendor and was told to cut the front pipe because I was sent the wrong pipe. Then a thunder storm came and it raining like the dickens now. I hope to get it on tomorrow.http://www.dieselplace.com/forum/smileys/Angry.gifhttp://www.dieselplace.com/forum/smileys/Disapprove.gifhttp://www.dieselplace.com/forum/smileys/Angry.gif

I dont care about what it looks like, most of it is under the truck anyway. But what I want is an exhaust system that makes my maxy sound like a loaded log truck being pulled off the line by the biggest nastiest Pete you ever heard. Anyone know of a system that is good dependable and sets off the neighbors car alarm when you pull out in the morning?

I removed my CAT. and replaced it with my buddies stock LB7 downpipe tonight....





So no CAT. and 4" MBRP 409ss kit is what I am running... Can't feel seat of the pants difference but it definately lets ya hear the turbo spooling now, and it is quite a bit louder on startup and threw 1-2 gears... At highway speed you can only hear the turbio barely over my tires, but they are BFG M/T's so they roar a little... It definately isn't going to set off the neighbors car-alarms but it is loud enough to PISS THEM OFF.....


My other truck (350 gasser) runs NO CAT. a 40-series(2-chamber) Flowmasters into dual 4" x 28" TIPS out the corners, she will set off every car-alarm in a 2 block radius and you can tell which lanes in a parking lot I drive threw becuase of the flashing lights and horns sounding.. (here is a old pic. of my truck from last football season with the 4" "ALARM KILLER" exhuast, not that anyone cares since she is a gasser!!!!)


http://memimage.cardomain.com/member_images/8/web/332000-332999/332119_212_full.jpg


I wish my LLY was louder but I have doen everything to make it louder short of a turbo/engine swap!!! HATE TO SAY IT, btu GM made it too QUIET!!!!





Still very happy with the DPPI / MBRP 4" system though..


BIG

I dont care about what it looks like, most of it is under the truck anyway. But what I want is an exhaust system that makes my maxy sound like a loaded log truck being pulled off the line by the biggest nastiest Pete you ever heard. Anyone know of a system that is good dependable and sets off the neighbors car alarm when you pull out in the morning?





Just unbolt it at the flange and put a downturn tip on...





Mac

BigWill_21,


Great glad all is installed and up to snuff etc. Enjoy it, and this winter get a neck warmer cause you'll have the windows down all the time to listen to it!!


Mark @ DPPI

Melvin Hatcher,


What can I say it was a people screw up, it happens and we apologize for it. I could tell that when you called you were a little POed, we are really sorry! You know what they say, "if you have people involved there's gonna be problems"!


It'll be worth the effort the first time you run it thru the neighborhood though! Call is if we can help you as we are always here for tech help if needed!


Mark @ DPPI

jmg343,


We can do that do with a flange(turbo) back system from under the firewall and a muffler delete in place of the muffler. It won't sound like big Pete but it will let you know that you got something going on under the hood for sure!


Mark @ DPPI

Mark- I cant make it Tennessee to see you guys at DPPI. Is that a standard set up you can purchase anywhere? If so Im sure I could have it done out here in California somewhere.

Mac- Could you be a little more specific. Where is the flange, and whats one of those downturn tips cost.

Also I hear all this about taking the cat off and muffler deletes and whathaveyou. Will you still pass inspection with all of these deletions. I lived in NY until last month and all my trucks there had no cat and some had just straight pipes from the manifold back, no muffler nothin. They really barked and I loved em but I also loved the guy up the road for handing me my inspection sticker with a smile and a wink. I dont know any of those guys out here in Cali yet.

what in the heck is bling?

What part of Nor Cal did you move too...............


Guitarman- heres the definition of bling



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Jamaican slang that has been adopted by some African American rappers and inserted into popular culture. The term "Bling Bling" refers to the imaginary "sound" that is produced from light reflected by a diamond. See The Silvertones "Bling Bling Christmas" for the earliest known usage of the slang.


This "bling bling" sh*t has been done to death.</BLOCKQUOTE>

I moved up to Glen Ellen, its like 15 minutes south of Santa Rosa. Nice place but I wish I were closer to more OHV parks and motocross tracks. I still manage to ride 3-4 times a week but I have to drive about an hour and ten minutes to be either at a track or a good OHV area.

Bling is also similar to the noice my hammer makes as it smashes the skulls of all those cowardass gangsters.

I was thinking maybe bling was the dust a chevy leaves on the hood of the ford behind ithttp://www.dieselplace.com/forum/smileys/HiHi.gif

What can I say it was a people screw up, it happens and we apologize for it. I could tell that when you called you were a little POed, we are really sorry! You know what they say, "if you have people involved there's gonna be problems"!


It'll be worth the effort the first time you run it thru the neighborhood though!


Mark @ DPPI


Mark,


I wasn't POed as much as I was disappointed. It was hot and I was struggling with a system that was supposed to fit. http://www.dieselplace.com/forum/smileys/Cry.gif


An old sixty-three year old man struggling with an ill fitting exhaust system on a near ninety degree day, is a bit dis-hearting. http://www.dieselplace.com/forum/smileys/Dead.gif After the call and was told to cut the front pipe things started to smooth out. It disturbs me that I had to buy an eighteen inch extension pipe and then end up having to cut off ten inches to make the darn thing fit. Then the rear tail pipe hanger would not connect. Tony PM'd, called and sent pictures of his set up. The holes in the frame that he used would not aligned for my system therefore, I had to drill a hole on each side to mount the rear tail pipe hanger.http://www.dieselplace.com/forum/smileys/Angry.gif


Everything is buttoned up, no rattles, no leaks and it is very quiet, only a slight purr, no drone, it is not even loud at wide open throttle which suit me just fine. I have the brake lines tie strapped off the driver side tailpipe for now. I think I will remove the brake line hanger from the jack pot and reposition it tomorrow. http://www.dieselplace.com/forum/smileys/Ermm.gif


I think my problem with the system was, that I received a LLY prototype, rather than the standard LLY system. http://www.dieselplace.com/forum/smileys/Geek.gif


As of now, I am over my frustration and have cooled off. http://www.dieselplace.com/forum/smileys/Clap.gif


Regards,


Melvin D. Hatcher Jr. http://www.dieselplace.com/forum/smileys/Hug.gif


Edited by: Melvin Hatcher

Mark,


Thanks for the info in this post and the other LLY Exhaust post. I think I'll be ordering a single exit cat-back with the muffler. I believe it will be the best system for me. I just ordered some gauges from you today, and will probably order the exhaust tomorrow.


Thanks,
Dennis

jmg343,


Just call us up and we'll ship one out today to you. It's an easy install etc.


Mark @ DPPI

Melvin Hatcher,


Sort of, seems you got the old LB7 intermediate pipe instead of the LLY intermediate pipe. The old one was longer and it didn't connect up with the four bolt flange, the new one has to to be a legal cat back system. Soprry for the problems, it's an unusal deal, but hey it does happen occassionally. Enjoy it!


Mark @ DPPIEdited by: Mark Craig

baimpala,


Dennis,


Great just let is know what we can do for you!


Mark @ DPPI

Mark,


Thanks for the sale. I can't believe your prices. Ordered some gauges and A-pillar pod yesterday after searching for a long time. No one could beat you, so I ordered my exhaust today. Now I can't wait to get all the goodies.


Thanks,
Dennis

baimpala,


Thanks for the compliment, we try our best. We guarantee all of our prices so we stay on top of the internet and competition to make sure we are pretty much up to snuff all the time. Enjoy all the toys!


Mark @ DPPI

Well, I got my system today. My father-in-law and his wife and her mother (93 years old) were over for dinner, so I had to wait until they left before I started putting it on. Then one of the boys was sick, so I finally got started at 9:00 p.m.


Working without light outside, I managed to get everything together, get under the truck and unbolt the old exhaust and pull it off the hangars in about a half hour. I didn't have any trouble with getting the hangars off the old exhaust. I just used a medium length screwdriver and a little controlled leverage and they came right off.


Next I wrestled with the old exhaust for about another half hour, and I did manage to get it off in one piece. I thought I was going to be able to get it by just wrestlin' with it Steve Irwin style. I didn't want to cut it, and it was really close.


Well, I broke down and had to drag the floor jack up out of the basement and jacked up the passenger side of the truck about 4 inches by the frame. A little more wrestling, one threat of bodily damage, and out she came. I didn't even use any foul language, which I have been highly trained in (I have nearly completed my doctoral thesis in foul language, check my profile, 13 years in the Navy). Well, okay, I did have to call it one bad name, but that was part of the threat of bodily damage, so it didn't really count.


Next I started putting on the pieces to the MBRP exhaust, and it fit very well. Now, mind you, I'm still working without light, and it's right about 10 p.m. now. Well, I got 'er all hooked up and tightened down in about 30 minutes or so. Pretty smooth overall. I haven't driven it around yet because in the morning I want to give it another once over to make sure I didn't forget something big working in nearly complete darkness.


Anyhow, in well under 2 hours, I've got a new exhaust on this thing.


First thoughts: This thing is huge. I know how big 4" is, but this thing just seems huge. When I put my borla exhaust on my Impala I thought to myself "Gee, this thing isn't much bigger than my stock exhaust" and that thing performed great, sounded great, gave me better ETs on the track, and was just plain great, but this thing is HUGE. And to think I was going to go 5". I think this will be fine. The last truck had a Flowmaster 3" American Thunder on it, and it seemed pretty big when I put it on. Did I mention this exhaust is HUGE?


I started it up and ran it in the driveway, sounds pretty good. Nice low rumble, and lights up pretty good when you blip the throttle. This is a quality product, and very easy to install. The borla I put on the Impala took a little longer in the daylight, but that is a dual exhaust and that thing is a LOT lower than the truck. I couldn't get my melon under the side of that thing without jacking it up.


I miss the garage I had in Washington. Newport is a great town, but they just don't understand the need to have a garage. Of course the house we're in was built in 1880, so I guess I can let that one slide.


Bottom line. If you are looking for a great exhaust, this is it. I can't wait to start really adding stuff on and seeing what this baby will do. I guess I'd better quit for the evening, I'm sure the neighbors were already wondering what the h*ll was going on in the dark under my truck.


DennisEdited by: baimpala

baimpala,


Well, couldn't have said it better myself!!!!!!! Enjoy it and thanks for choosing DPPI, we know you have lots of choices and we appreciate your business.


Mark @ DPPI

Read this post with great interest. I think I'll call Mark tomorrow and see about ordering a T-409 dual setup for my 04 LLY. I have a service body on my Max. Has anyone installed this dual setup with a service body? Need to know if it will fit. I like the dual exhaust. I do allot of extended idling on city streets and with the single, it really can create allot of problems with the fumes. I've actually had people ask me to turn off my max.http://www.dieselplace.com/forum/smileys/smiley3.gif I think I can get by with a dual setup very nicely. Mac


http://img.villagephotos.com/p/2003-9/394748/tn_9-19-04.JPG

Read this post with great interest. I think I'll call Mark tomorrow and see about ordering a T-409 dual setup for my 04 LLY. I have a service body on my Max. Has anyone installed this dual setup with a service body? Need to know if it will fit. I like the dual exhaust. I do allot of extended idling on city streets and with the single, it really can create allot of problems with the fumes. I've actually had people ask me to turn off my max.http://www.dieselplace.com/forum/smileys/smiley3.gif I think I can get by with a dual setup very nicely. Mac


http://www.dieselplace.com/forum/uploads/MelvinHatcher/2004-10-18_031236_P7040002.JPG


I don't think there is need for concern unless the service body have some low protruding framing hanging under the body. Just be cautious routing the left tail pipe pass the brake line and rear axle vent line. I am using tie straps to keep my lines away from the tail pipe. I am anxious how other installers have attacked this problem.