Give your 5.5L bi-turbo V8 the thunderous AMG growl it’s missing with the Valvetronic Designs Stainless Exhaust, offering total valve control for an aggressive track tone or refined cabin comfort.
304 Stainless Steel, True bolt-on installation, System includes Midpipe Adapters, Midpipes, and 2 V Band Clamps. +20HP, +18TQ
For All Wheel Drive Cars Only (AWD ONLY)
304 Stainless Steel, True bolt-on installation, System includes Midpipe Adapters, Midpipes, and 2 V Band Clamps. +20HP, +18TQ
For Rear Wheel Drive Cars Only (RWD ONLY)
Increase of +166 Horsepower, and +246 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
This software is only compatible with Windows PC / Laptop.
Increase of +211 Horsepower, and +321 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
This software is only compatible with Windows PC / Laptop.
Refresh your cooling system! Includes a new expansion tank, pressure cap, and 1-liter of blue coolant.
10X Entries For Our 25th Anniversary Sweepstakes! For Radiator