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| | #1 |
| Professional STI Driver | Are they worth it? cause I'm thinking about it but I'm not going to spend the money on labor to have something that will just make the car louder. I want some more HP. This ad is not endorsed by this member. Please register or login to hide this ad. |
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| | #3 |
| Muller Chevrolet
Car: 08 Chevy 2500 Diesel Fav Mod: a new 09 STi Location: Milford, NJ Posts: 10,213
IWSTI Addict since: Oct 2004 Trader Rating: (11) | the sti uppipe is already catless...so it's not necessary at all unless you feel like doing it at the time you swap headers if you do |
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| Authorized Vendor | Quote:
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| | #6 | |
| Professional STI Driver | Quote:
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| | #8 |
| Junior STI Driver Car: '05 CGM STi Fav Mod: Cracked VF39 Location: Saint Paul, Minnesota Posts: 199
IWSTI Addict since: Apr 2007 Trader Rating: (0) | Definitely not necessary with OEM STi uppipe. However, don't be fed misinformation, there are gains to be had even if they are minimal. Read here: http://www.iwsti.com/forums/engine-p...ious-look.html This ad is not endorsed by this member. Please register or login to hide this ad. |
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