Stock exhaust pipe size?
#1
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Stock exhaust pipe size?
I put the gmpp sport catback today. I am very happy with the sound. When i put the gmpp piping next to the oem piping it didnt look any bigger. Is the stock pipe the same size?
thanks
thanks
#5
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that is kind of odd. less bends do add slight performance of flow. however i would think if you DO go too big you just lose performance. i think they say if you have stage 2 or higher go to 2.75 stage 3 is 3.00 straight i THINK. but 2.50 is perfect size for stage 1 & 2 just on the stage 2 is when you upgrade the headers/dp. so even is your like damn why is it this small. just remember that the flow of the exhaust is more healthy for the car and your motor is much happier.
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camaromanss1992
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10-01-2015 10:51 PM