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Best Exaust for LS1?

This is a discussion on Best Exaust for LS1? within the External Engine forums, part of the LSx Technical Help Section category; I want to know what is the best cat back exaust for the price. I work a minmum wage job ...

  1. #1
    Junior Member 02blackbandit's Avatar
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    Best Exaust for LS1?

    I want to know what is the best cat back exaust for the price. I work a minmum wage job and i want to know what would create the most power for my LS1. I want to pay about 500 or so. If you know what'll be good let me know

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    2001 TRANS AM WS6

    your going to here a lot of good things about magnaflow

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    Member pewterz55's Avatar
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    light pewter metallic
    1999 z28

    ^ +1 i dont have magnaflow on my car... yet.... but when i did a similar thread a lot props was given to magnaflow about there performence, price, and durability.

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    Member c5z28's Avatar
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    On your ass flashing
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    Not that it would sound the best but if your car is stock and you wanted to "free" the flow up you could just take off the stock muffler all the way to the y-pipe.

    You could also get an off road y-pipe and slap a a muffler like a 10 series or a bullet on there, and let it end before the axle.

    Cheaper alternatives then a catback^ with more flow(even though you won't feel a difference between a muffler and that)

  5. #5
    your parts guy!!! 1fastcamarosss11's Avatar
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    trans am 00 ws6
    1998 camaro ss vert

    most common: borla, magnaflow, and gmmg, i have the borla on my two cars and love it. it's basically a cut out exhaust.

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    +1 for borla

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    Member pewterz55's Avatar
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    light pewter metallic
    1999 z28

    i agree with borla but thats not really in his budget.

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    Sold: LS1 '85 El Camino ls1camino's Avatar
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    2000 Grand Prix GTP
    2000 Trans Am WS6 M6

    I've got a Hooker Aeroflow Catback w/ Elrctric Cutout that I've been trying to get rid of for some time now. I was trying to get $400 for it, but shoot me an offer and I'm sure we can work something out.

  9. #9
    your parts guy!!! 1fastcamarosss11's Avatar
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    trans am 00 ws6
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    Quote Originally Posted by pewterz55 View Post
    i agree with borla but thats not really in his budget.
    sure is:
    375 plus shipping.
    Adjustable Borla Exhaust

  10. #10
    The Silver Bullet LS1_ws6's Avatar
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    I have a TSP exhaust for about 260. I love it and sounds great. it would be good for you and save money for some headers.

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    1999 Z-28 camaro

    I haven't heard anyone say anything about about the loudmouth? I always said once i got my ls-1 that would be the exhaust i went with

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    Member ls1wallen's Avatar
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    Quote Originally Posted by c5z28 View Post
    Not that it would sound the best but if your car is stock and you wanted to "free" the flow up you could just take off the stock muffler all the way to the y-pipe.

    You could also get an off road y-pipe and slap a a muffler like a 10 series or a bullet on there, and let it end before the axle.

    Cheaper alternatives then a catback^ with more flow(even though you won't feel a difference between a muffler and that)
    So your saying running a single muffler off the Y Pipe ?

  13. #13
    Senior Member JoshuaGrooms83's Avatar
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    Ive always heard SLP loud mouths are loud and raspy. Ive heard them in person on Mustangs and they are just one thing... L O U D.. havnt heard them on ls1s but from what i gather, if you want it loud, and i mean LOUD, get a SLP. I got a flowmaster on mine and it sounds pretty desent with a stock system. Im moving up to headers and ORY and im keeping the rest how it us. Im gonna see how it sounds with the Flowmaster since no one keeps their stck cat back. If mine rusts through, then i will get a magnaflow, but for now i like the flowmaster. Id get magnaflow for the stainless.

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    Member c5z28's Avatar
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    Quote Originally Posted by ESBdieselcam View Post
    I haven't heard anyone say anything about about the loudmouth? I always said once i got my ls-1 that would be the exhaust i went with
    The only way they sound decent is on a stock setup, after that they sound like unwiped ass.

  15. #15
    Member c5z28's Avatar
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    Quote Originally Posted by ls1wallen View Post
    So your saying running a single muffler off the Y Pipe ?
    Yep if you want to keep it cheap a small muffler and dumped at no more than a 45 degree angle to keep dust from blowing up around the rims.

  16. #16
    Member pewterz55's Avatar
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    light pewter metallic
    1999 z28

    That's a good deal on that borla. I'd go with that set up then
    Posted via Mobile Device

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    its for a v6 f-body

  18. #18
    your parts guy!!! 1fastcamarosss11's Avatar
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    trans am 00 ws6
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    Quote Originally Posted by DIRTY JERZY View Post
    its for a v6 f-body
    i don't think so looks right to me. the drivers side pipes are a little different then mine. but that maybe an older one.

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    Nope check the borla site the dual driver side pipes are for there v6 adjustable f body exhaust

  20. #20
    Member Blue28's Avatar
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    1999 Camaro Z28

    Here's how I currently have mine starting right off the end of the Y-pipe.
    Magnaflow #14419: 3" in/out,14" case length, 4 diameter case.
    About a 12" of 3" stainless tubing (only used 9") and a stainless steel turn-down with a Universal exhaust hanger welded to it and mounted up above.


    Last edited by Blue28; 12-02-2009 at 10:09 AM.

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