Toyota MR2 Message Board - View Single Post - HELP. Exaust upgrade non-turbo

jaymar91 · 09-22-2009, 04:22 PM

so if I'm correct.
i have to change out the stock headers to adjust for the back pressure.
with exhaust piping of 2-1/4
then the pressure should be good enough, to where it runs strong, with no loss in exaust speed?

09-22-2009, 04:22 PM	#9 (permalink)
jaymar91 No Skills Join Date: Sep 2009 Location: California, Temecula Posts: 28 Thanks: 1 Thanked 0 Times in 0 Posts iTrader Rating: (0/0% )	so if I'm correct. i have to change out the stock headers to adjust for the back pressure. with exhaust piping of 2-1/4 then the pressure should be good enough, to where it runs strong, with no loss in exaust speed?