View Single Post
Old 08-27-2011, 09:19 PM   #85 (permalink)
CZero
Base Member
 
CZero's Avatar
 
Join Date: Mar 2011
Location: Houston
Posts: 116
Drives: 370z, 951, ST3
Rep Power: 14
CZero is on a distinguished road
Default

You will be just fine with stock cats until you get your hfc's in. Extra back pressure will only cause your turbos to spool slower. You will still run 6.5 psi and the extra heat will be negligible.
CZero is offline   Reply With Quote