Originally Posted by Crand
So I picked her up this morning and was showing my buddy the NPP exhaust. I said "there's a flange that opens when you get on the throttle" and he said "nope, it's doing the opposite" and sure enough, open when idle, closed when revving. Other than that little defect, the car seems to be perfect.
its supposed to be open @ idle then close somewhere about 1500-1800 then reopen @ like 3500....I pulled the fuse this week...I love it