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Thread: Need some serious muffler help!!!

  1. #11
    Join Date
    May 2009
    Posts
    149
    Ive tried a ton of times Im always looking on there. Its hard to find people with longtubes. Or theyll have long tubes and a cam. But Ill check again

  2. #12
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    noise levels are only important if you don't run the outlet past the body lines. When you dump the exhaust under the truck you're going to get obnoxious noise droning in the cab. Even with the STS, if I didn't run the pipe out from under the truck it was awful inside the cab. Once I ran the pipe out the back the tone of the truck changed completely. I bought a 4" magnaflow stainless exhuast to run it out the back of the truck on the passenger side similar to stock and it sounds great without a true muffler on the truck.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #13
    Join Date
    Mar 2010
    Location
    Hobbs, NM
    Posts
    113
    Just get the biggest Magnaflow you can buy, either way with longtubes dont expect much though. Might also want to consider adding resonators to your setup as that WILL help with the raspiness

  4. #14
    Join Date
    Oct 2008
    Location
    Cedar Park, texas
    Posts
    440
    Run the bullet along with a Hooker aerochamber, The bullet will take out some rasp and the aerochamber should give your exhaust a nice rumble without being to annoying. I ran the hooker before my Lt's and it sounded great dumped under the bed.
    Axekick tuned, Pacesetters, Servo.

  5. #15
    Join Date
    May 2009
    Posts
    149
    That sounds like a good idea, but with the bullet before the aerochamber will it be pretty quiet? Ive heard some people say their aerochambers are loud and then some say they are quiet

  6. #16
    Join Date
    Oct 2008
    Location
    Cedar Park, texas
    Posts
    440
    Everyone has a different opinion on whats loud and whats quiet.

    I don't think that set up would be quiet or loud. Dumped after axle would have a better tone though
    Axekick tuned, Pacesetters, Servo.

  7. #17
    Join Date
    May 2009
    Posts
    149
    I think what Im going to do is a oval case magnaflow that is more on the loud size but has a good tone at WOT and I am going to have it exit before the rear tire. The last issue I have now is what size oval case length magnaflow to get and still have it be decently loud. Anyone have any suggestions on which size case?

  8. #18
    Join Date
    Oct 2008
    Location
    Cedar Park, texas
    Posts
    440
    14x5x8 case is what i ran with lt's, sounded great but had rasp from 3k up
    Axekick tuned, Pacesetters, Servo.

  9. #19
    Join Date
    May 2009
    Posts
    149
    Ya thats the exact one I was looking at. Do you think the 4X9 14in case magnaflow would still be raspy or what about the 5X11 14in case I think it is anyone have an idea how the 2 of those sound? Im leaning towards the 5X8 14in case magnaflow and maybe run the bullet before it to cut down on rasp

  10. #20
    Join Date
    Oct 2008
    Location
    Cedar Park, texas
    Posts
    440
    Ive seen a 4x9x14 and it LOOKS like it would rasp much more. I just ordered a 5x8x14 so ill let ya know how that goes and get a vid also
    Axekick tuned, Pacesetters, Servo.

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