upgrades

Wondering what stock size is and if it's worth going up to a 78mm? And if so what would be required after?

Hi all, I just recently bought a 2019 Dodge Challenger SXT RWD. I'm wanting to change out my factory wheels and tire size for some new ones. I currently have 235/55/18 and was wondering if I will be able to upgrade to 245/45/20's so I can purchase some 20x9's. Not the biggest tire guru so I...

I have a 14 Rt auto and Im trying to get some good info on camshafts and how they would affect my emissions. First I know that for performance that I would like a comp cam (not sure which one yet) but im being told that the cam swap would cause my car to fail emissions test. Now fortunately I...

Diablo I -1000 tuner from my 2010 challenger RT it has all usb cord. Has been updated with latest version also has been released:grin2: from car it is unmarried:laugh2: $275.00 shipped

I'm just wondering what upgrades you guys would recommend for my 09' R/T.. I definitely want to put an exhaust on their, and definitely want to put a CAI on it. What do you think? Thanks, Rick

Guys I'm in Charlotte NC and just got my 13' srt8. And I'm loving it!! I am and always have been a mopar guy sense the General Lee was jumping dirt hills and loosing the man in Dukes of Hazard. So I know I live in one of the biggest racing cities in the nation, so this shouldn't be hard. I need...