Exhaust delette
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This is a discussion on Exhaust delette within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; Hey quick question. I was thinking about running straight pipes from the cat instead of doing an exhaust system. My ...

  1. #1
    Registered User wrxed_morici's Avatar
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    Exhaust delette

    Hey quick question. I was thinking about running straight pipes from the cat instead of doing an exhaust system. My only fear is that I won't have enough back pressure and it may lose torque and horsepower. I've got a 2014 WRX. I'm thinking because of the turbo, back pressure loss may be minimal to none. What do you guys think I should do?



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    Registered User wrxed_morici's Avatar
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    Delete*

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    Registered User SlimJim8804's Avatar
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    "From the cat", meaning post - cat correct?

    What diameter piping?

    All you'd accomplish is having a pretty loud car, I don't see how you'd lose power. Most aftermarket catback systems are 'straight pipe' setups anyway.

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    Registered User wrxed_morici's Avatar
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    Yes post cat

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    Registered User wreckingball man's Avatar
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    You won't lose power, you want maximum exhaust flow behind the turbo.

    That will get you an extremely loud car. Make certain that's what you want.
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  7. #6
    Registered User wrxed_morici's Avatar
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    I'm thinking three and a half inch piping that turns into a 4 inch exhaust tip

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