2.5" big enough

daivd z

Registered User
my exhaust set up is downtubes with no cats to a single 2.5" pipe that Y's into 2.5" borla(straight threw). the downtubes are 2 1/4". what am i good till HP or mod wise?
 
um, in a word, i would say no. And most definatley not if it is not mandrel bent. With the sharp bends you can lose 40% of the pipe dia. with compression bends.
 
That would be my recomendation, and that is what I ran. Order it from SPC or order bends from Summit and have a shop cut and weld them.
 
xhaust

My downtubes are 2 1/4 and my center is 2 1/2 into 2 1/4.High flow cats,Magnaflow resonator and Dynomax Super Turbos.Runs pretty strong.
 
The exhaust system on my 95 SC is pretty much the same as Rick's and it ran a best of 13.778 @ 99.31 mph with just bolt on's. Stock long block, and intercooler. :D
 
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