R radtech New Member Joined Sep 19, 2006 Sep 11, 2007 #1 I currently have a 2.5" exhaust w/headers. How much do you gain by going to a 3" system w/3" downpipe? Thanks!!
I currently have a 2.5" exhaust w/headers. How much do you gain by going to a 3" system w/3" downpipe? Thanks!!
Q QUIP'6' Brian Roman Joined Nov 26, 2003 Sep 11, 2007 #2 radtech said: I currently have a 2.5" exhaust w/headers. How much do you gain by going to a 3" system w/3" downpipe? Thanks!! Click to expand... not much unless your car is in the 11's. i would say 10 to 15 hp
radtech said: I currently have a 2.5" exhaust w/headers. How much do you gain by going to a 3" system w/3" downpipe? Thanks!! Click to expand... not much unless your car is in the 11's. i would say 10 to 15 hp
P PEACHS New Member Joined Sep 24, 2001 Sep 11, 2007 #3 What kind of headers? If you have hooker headers on a stock motor you will slow down.
B BlackMetal Active Member Joined Sep 29, 2005 Sep 12, 2007 #4 2.5" is big enough until your running with some big power. And like PEACHS said, headers can actually be worse than the stock ones.
2.5" is big enough until your running with some big power. And like PEACHS said, headers can actually be worse than the stock ones.
