GrimmSpeed was our third of 12 exhausts tested for the 2017 Subaru WRX STI, showing gains of up to 12 whp and 14 lb-ft of torque. Click here to see it and hear it!
#Subaru #WRX #STI #Grimmspeed #DSPORT
Upgrading suspension bushings isn’t easy, but it’s well worth the long term benefits. Learn some of the basics to install Energy Suspension’s Hyper-Flex polyurethane bushings on the D'Garage Honda S2000.