2.5" vs 3" Y-Pipe
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2.5" vs 3" Y-Pipe I have a QTP y-pipe that is causing some clearance issues. My mechanic is considering replacing the 3" y-pipe with a 2.5". And Replacing my 3.5" in 4" out merge collector with a 2.5"in 3"out.The pipes from my QTP long tubes are 2.5 and my catback is 3". Will I loose any rwhp by doing this?
I doubt it. I'm running Stainless Works 2.5" headers into a 3.5" catback system, putting plenty of power down. 2.5" y-pipe works great for clearance, and I just noticed we have very similiar mods.
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From: Columbus, Ohio
Originally Posted by Viper
I doubt it. I'm running Stainless Works 2.5" headers into a 3.5" catback system, putting plenty of power down. 2.5" y-pipe works great for clearance, and I just noticed we have very similiar mods.
