by: Andrew Cilio - Calculate what happens to your speedometer when you change your wheel and tire size.
Enter your car's stock tire & new tire dimensions. If you are a Mustang owner, you can enter your tire dimensions by selecting your year & model from the Mustang tire size calculator's menu. Our tire size calculator is a valuable tool for anyone who wants to see what type of change a tire or rim swap will make and whether or not fitment may be an issue. Also, if your speedometer is miscalculated due to new wheels and tires, this tire sizing calculator lets you see what your actual cruising speed is.
I'm pretty certain this is the best shopping experience I've ever had. I found what I wanted on AmericanMuscle.com, then did some price shopping and ended up coming back and order from them because they had the lowest price AND free shipping too. I honestly look forward to spending more money with American Muscle. They have customer submitted photos in addition to their great product photography as well as installation guides from users and manufacturers. Their videos are honest and incredibly useful. I can't think of anything else I'd like to see from them.
All my other cars were all-wheel drive, my brother had an 04 cobra and i wanted to compete and beat him with naturally aspirated so i went with a mach1 - and beat him. Now he works here too! I got lucky and was able to find one of the...
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