Hey Z1. ETA on those headers?

Originally Posted by Joepro

I went from CNT resonated pipes to z1 test pipes to art pipes all in the same week.... regular test pipes had ridiculous rasp at 2500 rpm but I also have a non res exhaust.... Art pipes took care of 90% of the rasp but actually mellowed out the tone perhaps a bit to much.... The resonated pipes had a bit of rasp and plently of volume....I would say all will be louder... With the art pipes being the quietest of the test pipes