Exhaust FAQ - Page 8
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This is a discussion on Exhaust FAQ within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; I'd be more worried about the health of the motor. It depends, what are you changing? What year is your ...

  1. #106
    Registered User wreckingball man's Avatar
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    I'd be more worried about the health of the motor.

    It depends, what are you changing? What year is your car?

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  3. #107
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    I'm changing the stock exhaust to the SRS Type-RE. It's a 2003.

  4. #108
    Registered User wreckingball man's Avatar
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    So it's just the catback section?

  5. #109
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    Yes it's just the catback exhaust system

  6. #110
    Registered User wreckingball man's Avatar
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    You don't have to do anything for just a catback. Potential power gains are negligible, no change in mpg, nothing.

    Install and enjoy the sound.

  7. #111
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    Click image for larger version. 

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    This is the exhaust system I am talking about

  8. #112
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    I have a stock 2011 STI sedan and am looking at the invidia q300 catback. Can I safely run the exhaust without reprogramming (w/ an accessport) the car as long as it's the only mod? I plan on doing more and know that I will need to get a V3 in the future; I was just wondering for the time being if it was fine.

  9. #113
    MAINEiac 11blackSTi's Avatar
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    Quote Originally Posted by Sean Ambrose View Post
    I have a stock 2011 STI sedan and am looking at the invidia q300 catback. Can I safely run the exhaust without reprogramming (w/ an accessport) the car as long as it's the only mod? I plan on doing more and know that I will need to get a V3 in the future; I was just wondering for the time being if it was fine.
    If it is just the catback then you don't need to tune. If you change to a high flow downpipe than you need to tune.

  10. #114
    Registered User Sal.LV93's Avatar
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    Whats the opinions on full custom turbo back compared to a kit from say Cobb or Tanabe?

  11. #115
    Registered User tesla317's Avatar
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    Quote Originally Posted by Sal.LV93 View Post
    Whats the opinions on full custom turbo back compared to a kit from say Cobb or Tanabe?
    they are expensive.

    I went stage two for cheaper than a cobb kit or perrin.

    I paid exactly $1,772 for my V3 Accessport, Invidia catted DP, Invidia Dual N1 Titanium catback.

    Perrin's kit is like $2,300 and cobb is over 2k I believe.

  12. #116
    Registered User tesla317's Avatar
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    Quote Originally Posted by Sal.LV93 View Post
    Whats the opinions on full custom turbo back compared to a kit from say Cobb or Tanabe?
    they are expensive.

    I went stage two for cheaper than a cobb kit or perrin.

    I paid exactly $1,772 for my V3 Accessport, Invidia catted DP, Invidia Dual N1 Titanium catback.

    Perrin's kit is like $2,300 and cobb is over 2k I believe.

  13. #117
    Registered User Sal.LV93's Avatar
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    Quote Originally Posted by tesla317 View Post
    they are expensive.

    I went stage two for cheaper than a cobb kit or perrin.

    I paid exactly $1,772 for my V3 Accessport, Invidia catted DP, Invidia Dual N1 Titanium catback.

    Perrin's kit is like $2,300 and cobb is over 2k I believe.

    Damn, so best bet is to just get the custom one built and buy the muffler huh.

  14. #118
    Registered User JoshC's Avatar
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    Interesting observation on my car. Put a nameless catback on and ever since then the 2015's fuel economy calculator has shown lower fuel economy. Not by a ton, but has made it more accurate in a sense. (as in, before if I averaged a true 26mpg, the computer would say 29. Now if I average 25mpg, the computer may say 26).
    Anyone else noticed this?

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