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This is a discussion on Exhaust FAQ within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; Originally Posted by cflip2x No 2002-2007 WRX/STI Downpipe compatible 2008/2014 WRX/STI Downpipe compatible Got it, thanks!...

  1. #91
    Registered User dead_ringer's Avatar
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    Quote Originally Posted by cflip2x View Post
    No

    2002-2007 WRX/STI Downpipe compatible
    2008/2014 WRX/STI Downpipe compatible
    Got it, thanks!
    Stink-Eye MOB #452
    straight pipes save lives

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  3. #92
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    I am looking to do my first exhaust up grade and was wondering if anybody knows of a good place to buy cat-back systems in the USA. Thanks

  4. #93
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    Quote Originally Posted by Nate Hurd View Post
    I am looking to do my first exhaust up grade and was wondering if anybody knows of a good place to buy cat-back systems in the USA. Thanks
    Go with Cobb. Clean, good for the money, and isn't HELLA loud. Cobb Exhausts are always nice.

  5. #94
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    Quote Originally Posted by Nate Hurd View Post
    I am looking to do my first exhaust up grade and was wondering if anybody knows of a good place to buy cat-back systems in the USA. Thanks
    Go with Cobb. Clean, good for the money, and isn't HELLA loud. Cobb Exhausts are always nice.

  6. #95
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    I am looking to change my exhaust from stock to something that will give me a nice low rumble sound without it being too loud. Are there any that are worth recommending?

  7. #96
    Registered User Ruh Roh's Avatar
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    Quote Originally Posted by 03BugI View Post
    I am looking to change my exhaust from stock to something that will give me a nice low rumble sound without it being too loud. Are there any that are worth recommending?
    cobb, prodrive, SRS (ebay), autospeed. id stick with a twin tip or a small single oval tip. stay away from the fart cans.
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  8. #97
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    For low rumble and low volume, anything with a larger muffler and a resonator in the mid pipe should get the job done. Invidia q300 is a nice one...any exhaust that is similar to the q300 is probly what you will want.

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    Quote Originally Posted by wreckingball man View Post
    For low rumble and low volume, anything with a larger muffler and a resonator in the mid pipe should get the job done. Invidia q300 is a nice one...any exhaust that is similar to the q300 is probly what you will want.
    Thanks

  10. #99
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    Quote Originally Posted by Ruh Roh View Post
    cobb, prodrive, SRS (ebay), autospeed. id stick with a twin tip or a small single oval tip. stay away from the fart cans.
    I'll look in to those thanks

  11. #100
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    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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  12. #101
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    Quote Originally Posted by wrxed_morici View Post
    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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  13. #102
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    Quote Originally Posted by wrxed_morici View Post
    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?
    Torque loss in a naturally aspirated engine from lack of back pressure is in the low RPM range.

    In a turbo engine the turbo isn't spooled up where the torque loss would be, so the turbo is creating plenty of back pressure. That eliminates the torque loss problem that is found in a NA engine due to lack of back pressure
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  14. #103
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    Odd question, what is the stock exhaust made of? Mild steel or SS? I ask because I have a more elegant muffler delete idea for my hatch than what is offered (mainly b/c this will be a weld in thing, not bolt on). Just don't have the car with me to go out and tell...

  15. #104
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    It's definitely not stainless.
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  16. #105
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    If I change the exhaust will there be loss of power or mpg if I don't tune it?

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