Nissan 370Z Forum - View Single Post

BrianMSmith · 05-28-2011, 01:28 AM

Hi flow cats claim 15-20, cat back exhausts claim about the same. Do they add if you get them both? Anyone done Stillen or FastIntentions high flow cats and cat backs with a Dyno run? If they add, it should be 30-40rwhp.

05-28-2011, 01:28 AM	#1 (permalink)
BrianMSmith Enthusiast Member Join Date: Dec 2009 Location: secret Posts: 267 Drives: 370Z, Ducati 748S Rep Power: 15	exhaust + cats anyone? Hi flow cats claim 15-20, cat back exhausts claim about the same. Do they add if you get them both? Anyone done Stillen or FastIntentions high flow cats and cat backs with a Dyno run? If they add, it should be 30-40rwhp.