Welcome to Rx4Speed, LLC.

The only place you need to go to fill your Prescription 4 Speed. We offer FREE S/H, yes that's right FREE shipping and handling on almost every item we sell! Except for wheels & tires. The price you see is the price you pay. NJ residents, 7% sales tax will be added to your total. Paypal payment orders will only be shipped to confirmed addresses, if paying via paypal, please make sure your address is confirmed before ordering...Thanks! All prices are for the continental US only, there will be additional shipping to those outside of the US. Please email us with your address for shipping quotes.

Featured products

See details DSMLINK Upgrade your ECU to a tunable ECU with the DSMLINK Market price: $565.00 Our price: $549.99, save 2% Quantity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50  Buy Now