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jbush1982 12-01-2007, 11:46 PM Wanting to here what everyone thinks about there aftermarket exhaust. Im getting ready to purchase a kit for my 05 lly. Im looking for something not to loud but not to quiet either. Im thinking MBRP, Magnaflow or Bully Dog at this point. The kit I purchase will be 4" turbo back. Your input will be appreciated. Thanks N.W.Labman 12-02-2007, 12:12 AM MBRP 304 S.S. no kitty, very quite (wife cant tell it's not stock) and I like it that way . ffden 12-02-2007, 12:17 AM I've got the Silverline 4" T-409 Stainless Turbo back with polished straight thru muffler and polished 5" tip. It sounds good, no drone and was cheap $454 shipping included. LarryJewell 12-02-2007, 08:51 AM MBRP duels, catless and mufflerless:D DSTRBD 12-03-2007, 03:57 PM I suggest either MBRP or Magnaflow. Give me a holler, we have both kits on sale right now. powerstar23 12-03-2007, 04:13 PM Mbrp CC02DMAX 12-03-2007, 04:56 PM MBRP you'll love it LarryJewell 12-03-2007, 05:04 PM MBRP you'll love it And its easy to install yourself :o: 23250r 12-03-2007, 05:07 PM I'm happy with my MBRP like others said quiet. mako20c 12-03-2007, 06:30 PM what would be the difference between a 4 or 5 inch? CC02DMAX 12-03-2007, 07:31 PM And its easy to install yourself :o: yes it is, the hardest part is taking the old one off.:D LarryJewell 12-03-2007, 07:53 PM yes it is, the hardest part is taking the old one off.:D unless you have a saw zaw :D CC02DMAX 12-04-2007, 11:57 AM i did :) if that tells you anything about the entire project very easy banshee42096 12-04-2007, 12:36 PM silver line sounds great very quiet until you let her have it then it sounds good. DSTRBD 12-04-2007, 03:03 PM The difference between 4" and 5" is sound and looks. 4" is going to give you the biggest bang for the buck. If you want a louder, more aggressive sound, go with 5". Both MBRP and Magnaflow kits are bolt in systems which require regular hand tools to install. Depending on your hydration level, you are looking at a 4-6 beer project.:D maybee 12-04-2007, 03:17 PM I went with the MBRP T-409 cat back with muffler delete and i love it...no regrets. i purchased mine from the guy above, great service and advice carcrafter22 12-04-2007, 05:41 PM 4" mbrp cowdoc 12-04-2007, 05:59 PM I'll let you know in a few days. I ordered a 4" MBRP this morning. :D chamblee21 12-06-2007, 05:03 PM What is the difference, power/sound wise, from turbo back and cat back? I am thinking of purchasing a 4" as well. Thanks DSTRBD 12-06-2007, 05:20 PM Cat-back is going to sound very close to stock and drop EGTs 100-150 depending on engine load. A full system will have a low rumble with increased turbo whistle. You can expect another 50-100 deg drop with the cat gone. Exhaust systems are not for power as much as they are for EGT reduction. You can expect a 10-25 hp gain though depending on the dyno used. Seat of the pants you wont notice a huge gain, but you can definately tell something has been done. | ||