BRZ/FR-S Part Proving.... All Bolt-Ons Part 2 (Header Tests)

By Perrin Performance
This was the first time we had tested our headers on the dyno. Based on the things we know about the car and some of its variables, we knew it would be key to do this all on the same day as all the other parts. This ensures that the HP gains we saw were legit. After seeing some peoples dyno results ...
Read More