AVAILABLE HERE: https://www.grimmspeed.com/categories...)

After a lot of requests from GrimmSpeed Fans, we took our recently-released Version 2 GESI-Catted J-Pipe and both our Resonated and Unresonated Catback Exhausts for the 15-21 WRX and put them head-to-head with the OEM exhaust system. What's YOUR ideal combination? If you like what you hear, check out The GrimmSpeed V2 J-Pipe and Catback Exhaust for your WRX in the link above.

Mod List for V2 J-Pipe Clips:
GrimmSpeed Version 2 GESi Catted J-Pipe: https://www.grimmspeed.com/version-2-...)

GrimmSpeed Stealthbox Cold Air Intake: https://www.grimmspeed.com/stealthbox...)

GrimmSpeed FA20 Bypass Valve: https://www.grimmspeed.com/grimmspeed...)

0:00 Introduction
0:10 Stock J-Pipe Cold Start + Revving Comparison
0:54 Stock J-Pipe Launch Control Comparison
1:22 Stock J-Pipe Acceleration Comparison
1:48 GrimmSpeed V2 J-Pipe Cold Start + Revving Comparison
2:33 GrimmSpeed V2 J-Pipe Launch Control Comparison
2:59 GrimmSpeed V2 J-Pipe Acceleration Comparison
3:46 GrimmSpeed V2 J-Pipe Fly-Bys