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ryoma · 09-20-2015, 07:34 PM

tbh, you probably won't see much gains from it. probably around 5 WHP at the most, if at all. the most gains you will get is with an aftermarket header, especially with a tune.

09-20-2015, 07:34 PM	#2
ryoma Senior Member Join Date: Mar 2015 Drives: 2015 Subaru BRZ Limited CWP Location: SoCal Posts: 1,561 Thanks: 34 Thanked 669 Times in 469 Posts Mentioned: 13 Post(s)	tbh, you probably won't see much gains from it. probably around 5 WHP at the most, if at all. the most gains you will get is with an aftermarket header, especially with a tune. __________________ My 2015 CWP BRZ Build