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svt to 370z · 03-08-2020, 10:21 PM

From what I understand a Stillen gen 3 and high flow cats u need a tune. I thought I read the k&n typhoons and high flows you don’t have to have a tune?..

03-08-2020, 10:21 PM	#1 (permalink)
svt to 370z Base Member Join Date: May 2011 Location: berea,oh Posts: 139 Drives: 09 red 370z 6mt Rep Power: 14	K&n typhoon + high flow cats = tune? From what I understand a Stillen gen 3 and high flow cats u need a tune. I thought I read the k&n typhoons and high flows you don’t have to have a tune?..