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Y-Pipe on stock manifolds

This is a discussion on Y-Pipe on stock manifolds within the External Engine forums, part of the LSx Technical Help Section category; The mods I am going to do to this car is minimal. All I want is a little louder and ...

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    Y-Pipe on stock manifolds

    The mods I am going to do to this car is minimal. All I want is a little louder and to avoid the skip shift so....

    Y-Pipe
    CAT Back (Maganflow)
    Skip Shift

    The questions are

    1. What Y-Pipe can I get that will bolt into the stock setup? I found SLP, I hear GM has one as well? Any others? Links?

    2. Anyone have pics of the SLP Y (or others) on stock manifolds? Want to see how low they hang with stock manifolds.
    -1994 RT/10 Viper. <---Click
    -2004 Ram SRT-10. <---Click Roe SC amoung others
    -2009 Ram RCSB 4x4 Sport Hemi

    Click for full size

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    Detailing + Design third_shift|studios's Avatar
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    it's pointless to get an aftermarket Y pipe on stock manifolds:
    the stock ws.6 Y is 2.75" and an after market is 3" so really what are you gaining other than a fabrication PITA.

    Now that i saved you some coin-go buy a corsa catback

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    That flat part on the drivers side of the Y would seem like it would be restrictive??

  4. #4
    rapter34
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    save your money on the corsa, although it is a great set-up I just think it cost too much. magnaflow or hooker makes a great catback system. and may I suggest getting long tubes(then you will have to get a new y-pipe.)

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    Quote Originally Posted by 94rt10ohio View Post
    That flat part on the drivers side of the Y would seem like it would be restrictive??
    The restriction is in the Manifolds/cats. You're not going to notice any gain with an aftermarket y on stock manifolds. Only when you add headers, Y and exhaust would you see 15-20 rwhp increase when tuned

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    Maybe will just toss on a catback then. The Y just looked bad. Not looking to make a monster, just want sound and thought while I was under there.....

    How does this look for "free flowing"?


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    Quote Originally Posted by third_shift|studios View Post
    The restriction is in the Manifolds/cats. You're not going to notice any gain with an aftermarket y on stock manifolds. Only when you add headers, Y and exhaust would you see 15-20 rwhp increase when tuned
    agreed, you dont need an aftermarket Y unless you get headers

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    rapter34
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    Quote Originally Posted by 94rt10ohio View Post
    Maybe will just toss on a catback then. The Y just looked bad. Not looking to make a monster, just want sound and thought while I was under there.....

    How does this look for "free flowing"?

    Click for full size
    that is a long tube set up with a aftermarket y pipe. that will flow very well.

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    Quote Originally Posted by third_shift|studios View Post
    The restriction is in the Manifolds/cats. You're not going to notice any gain with an aftermarket y on stock manifolds. Only when you add headers, Y and exhaust would you see 15-20 rwhp increase when tuned
    the cats aren't that restrictive... the manifolds suck ass and the Y pipe sucks as well... he'd see maybe 3hp gain from the Y pipe with out headers...

    but he said he wants some sound coming out and a y pipe will give a bit more sound...

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    a good cat back = good sound. you don't need the y. it's a waste of money

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    Yo Da Lin The Valley..... astyles's Avatar
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    i have been real damn lazy but i do have a full y pipe and new cats to go on my camaro....if i ever get off my lazy butt and put them on i will take pics.....

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    Quote Originally Posted by rapter34 View Post
    that is a long tube set up with a aftermarket y pipe. that will flow very well.

    Actually the is the underside of my SRT truck. LTs with full 3" and no cats

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    Quote Originally Posted by third_shift|studios View Post
    a good cat back = good sound. you don't need the y. it's a waste of money

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    Quote Originally Posted by astyles View Post
    not to mention a Y for stock manifolds is useless if/when he gets headers

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    rapter34
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    the y-pipe is really the anoying part that attaches the manifold to the muffler.

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    Quote Originally Posted by third_shift|studios View Post
    not to mention a Y for stock manifolds is useless if/when he gets headers
    huh???

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    I will not be getting headers for this car, ever. I know, never say never, but.... never

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    Quote Originally Posted by 94rt10ohio View Post
    I will not be getting headers for this car, ever. I know, never say never, but.... never

    why not??? better fuel economy... better sound... and a bit more power when you want it...

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    Quote Originally Posted by 94rt10ohio View Post
    Actually the is the underside of my SRT truck. LTs with full 3" and no cats
    srt-10?

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    Quote Originally Posted by Spaz View Post
    huh???
    Quote Originally Posted by third_shift|studios View Post
    not to mention a Y for stock manifolds is useless if/when he gets headers
    b/c it won't fit aftermarket headers

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