Quote:
Originally Posted by OCMDGTO
I was hoping to get the 20" STs for my car but Dynomax told me they start restricting power at 376hp. I ended up with the Ultras which sound great but drone. AG has your brother taken his car to the track?
|
OCMDGTO - I found that the X-pipe helped the drone when running the Dynomax Ultraflo's (which the Race Pro's are designed after). The 20 ST's may work OK for my engine build since it won't be over 376 hp.
Dennis