cheeky
03-09-2005, 02:13 PM
:help2: I'm looking at a jk 4" exhaust, for my 03 cc, Does any of you guy run them. How are they do the compare to the big boys like mbrp of banks. Do they install easy. thanks
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ratlover 03-09-2005, 02:37 PM I have the 4"-5" system. What do you want to know? Install was pretty simple. The aluminizing has held up well except were I scraped it getting it on or off(I've droped my exhaust a few times, be carefull durring install and removal) there its getting some surface rust. I like how the aluminized has held up cheeky 03-09-2005, 04:02 PM I was just wondering if there was much difference from stock in HP and turbo whislte. Thanks ratlover 03-09-2005, 04:18 PM With any after market wistle will go up a bit as will sound in general(how much depends on the system) and egt's will go down. Dont think HP will be picked up though and definatly nothing that makes it worth the $ per HP. Exhaust sounds good though:cool: A cheap way to do it is to straight pipe the factory stuff(didch the muffler). If you dont like the sound then you should only be out 50-60$ and then buy you a bling bling aftermarket set up. My system fit well though and I have been happy with it thus far. Had it for close to 2 years Kennedy 03-09-2005, 06:25 PM Dyno proven: http://www.kennedydiesel.com/photogal/pages/dynoplots.htm Same day, same truck. While this is the 4-5 system, it's not going to be much if any less gain for the 4" system. jcummins 03-09-2005, 06:43 PM I have Kennedy's 4". If I had to do it all over....I'd buy the exact same thing. TNRGreene 03-09-2005, 08:13 PM J/K here also:ro) :ro) :ro) :ro) :ro) :ro) BMDMAX 03-09-2005, 09:06 PM I love mine on the LLY. The 4/5 sounds great and the install was easy. HVACDIESEL 03-09-2005, 09:19 PM 4/5 easy install looks awesome bartman 03-09-2005, 09:28 PM John, why are the hp and tq curves on the LLY so peaky and the LB7 so much smoother? Is it the VVT doing it's thing? Kennedy 03-09-2005, 11:53 PM John, why are the hp and tq curves on the LLY so peaky and the LB7 so much smoother? Is it the VVT doing it's thing? Yes, engine management is what I believ to be the word of the day. It's hard to get a truly consistent run. Parts of the run and how it acts are pretty predictible, but some times when the transitions occur changes. HoustonDMax 03-10-2005, 08:18 AM Easy install on the ground with no lift. Did not even have to doing any cutting on the stock system to get it out; that way if for some reason I needed to, I can return it to stock. In reality, I probably ought to just go ahead and get rid of the stock system; I am never going to reinstall it. Sounds good to! Had mine for three years now, with no rust to speak of. Highmark 03-10-2005, 08:37 AM How much louder is the 4-5 system than the 4? YZF1R 03-10-2005, 11:20 AM If I ever had to do it again, I would not hesitate to buy another JK system. Love the S.S. band clamps. John always seems to have the details like that covered in all his products. Steve | ||