Hey I'm wondering which one is louder? I was leaning towards an invidia n1 until I heard my friends magnaflow which was super loud. Anyone know which is louder?

I searched the forums and couldn't find an answer. If I missed, my bad. Other than going to a dealer, can I use a Peak, Prestone, or other manufacturer as a replacement anitfreeze?

Hey folks, Didn't see any other posts centered around campaigning one of our cars in HS for autox, so thought I'd share my own efforts. Been autoxing for some time, started out with a WRX before spending the last 6 or 7 years in different STR Miatas. Had to shrink down the car count though, so...

I am going to try to document this build the best I can. Here's a picture of the day I purchased it. The car was purchased in the Carolinas, which is conveniently close to MercRacing headquarters. I left my car with them to do all mods needed to supercharge the car. Full List of Mods(Updated...

Where can I get a stage 1 clutch kit and flywheel for 2015 Honda Civic si in Connecticut?