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What would you do with my exhaust system?

This is a discussion on What would you do with my exhaust system? within the External Engine forums, part of the LSx Technical Help Section category; QTP LTs, Catless Y-Pipe, Magnaflow Catback. (current setup) I'd like to have a louder exhaust and maybe sound better, deeper, ...

  1. #1
    LSX whore allbaugh_04's Avatar
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    What would you do with my exhaust system?

    QTP LTs, Catless Y-Pipe, Magnaflow Catback. (current setup)

    I'd like to have a louder exhaust and maybe sound better, deeper, with no rasp if possible.

    Here are the options i am considering:

    1. Single electric cutout at the axle (probably the cheapest)
    2. Dual cutouts behind the headers (probably the most expensive)
    3. I've seen people take off their catback and put a muffler on the end of the Y-pipe so that it's dumped just before the axle.

    I'm sure option number 3 might not sound the best, but maybe it could be. Please share some sound clips if you have them of option #3 or #2. I'm starting to surf youtube for cutout vids, but it's really hard to know what they would sound like in real life.

    I really have no idea on the prices of all three options. I think one electric cutout is like 180 if i remember right. So i am sure option #2 might be a pretty expensive mod.

  2. #2
    Life in the Fast lane sunsetorangess's Avatar
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    I went with a manual cutout a few years ago, cost about 25 bucks, I havent closed it since. Love the sound with an open cutout.
    Single in the I pipe befor the axle. Fits like a glove.
    J
    2001 SS, Its not the car its the Driver that matters....

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    LSX whore allbaugh_04's Avatar
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    So you're saying i could do two manuals behind the headers for around 50 bucks????....my eyes are widening right now...

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    Senior Member GULLETT17's Avatar
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    00 TA PWTR, 98 VertTA NBM
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    option one fo sho

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    cutting and welding mark21742's Avatar
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    Quote Originally Posted by GULLETT17 View Post
    option one fo sho
    more expensive.....but see a cop, hit a button to close it......raining hit a button to close it (beats laying on your back in the rain to me)

  6. #6
    Senior Member GULLETT17's Avatar
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    Quote Originally Posted by mark21742 View Post
    more expensive.....but see a cop, hit a button to close it......raining hit a button to close it (beats laying on your back in the rain to me)
    exactly

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    Member iam_dale's Avatar
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    Sell me the Magnaflow for $25 shipped....then I'll tell you my opinion!!

    LOL

    j/k.....cutout!

    dael

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    Hmm, louder without the rasp? You are not going to be able to avoid it.

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    Member side2000's Avatar
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    Quote Originally Posted by 9t8z28 View Post
    Hmm, louder without the rasp? You are not going to be able to avoid it.
    thats what i was thinkin. your car has to be loud already with LT's and no cats. you could replace the magnaflow for a small bullet, it would be only a little louder though. only way to keep rasp away is either to have cats or some kind of resonator.

  10. #10
    Just a souped up sunfire. Ryans99LS1's Avatar
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    i also have a single cutout in the Ipipe right before the axle. Cost me $10 and i made a cover for it but i love the sound so much that i have never bolted on the cover. its been that way for over a year and cops have yet to pull me over. its loud and i have gotten nothing but compliments on how awesome my car sounds. its right under the passenger rear seat too, so they get the extra rumble haha.

    heres are 2 vids. first is of my car when it was an A4 and with cats, cutout open. the second is it as an m6, no cats and cutout open(it was also the slowest run ever in my car but it was next to the quietest car.) honestly sounds much better in person though.



    99 TA-T56 swapped, Lid, TB Bypass, LS6 Intake, !EGR, !AIR, Custom Cam, Mids, O/R-Y, 3:73s, Cutout, Flowmaster.
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    Cam numbers and track times soon.

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    13.8@ 103 2.1 60' 1357 DA

  11. #11
    LSX whore allbaugh_04's Avatar
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    i'll check out the vids when i get home, thanks guys

  12. #12
    Life in the Fast lane sunsetorangess's Avatar
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    I personaly wouldnt worry about putting in two cutouts, one will flow plenty unless your running big cubes.
    Somewhere in the I pipe or back should work just fine.
    J

  13. #13
    Veteran Blackbird WS6's Avatar
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    sell your Magnaflow Catback and put in a GMMG catback..........just my.02

  14. #14
    LSX whore allbaugh_04's Avatar
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    thanks for the vids, it sounds good

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