roush 670hp

I have a 2015 RS3 and I’m looking to make more power, but go about it the right way. My last car was a 2013 5.0. That car was a N/A build with minor bolt ons, tuned by Lund. I’m new to the supercharger game so any input would be helpful. I’m thinking Roush phase 2 upgrade with a custom tune...

My 2017 Mustang gt Roush phase 1 So I just installed a bigger TB, 82mm pulley, injectors, bap & and a tune, I was racing my friend with an roush rs3 and my 4 gear went out.. I think.. not really? So before this the stock rev is 7k.. after my tune I’m Reving to 7400-7600rpm I noticed my shifts...

17 GT with a Roush Phase 1, 85mm pulley, Borla ATAK with x-pipe and 3.31 gear. Still on the Roush tune. The supercharger had very little whine even with the filter cover off, so I removed the hood liner and was surprised how much I can hear it now, even over my loud exhaust. I've been running it...

Hey guys! So we recently went out to Sebring International Raceway with Roush Performance. We got a chance to go for a ride and drive a 2016 Roush Stage 3. These cars were equipped with the coil over suspension and the 670HP Supercharger kit. We had an absolute blast on track. The cars...