Upgrade your AMG’s reliability with UPD’s billet idler kit - built to outlast factory plastic pulleys and handle the heat without compromise.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits all 4.0L M176, M177 and M178 Engines. Achieve that "blow off sound" people are fond of on turbocharged vehicles!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Get that "blow-off" sound that many people are fond of on turbocharged vehicles! 100% Bolt-On Solution
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
The perfect Clutch Kit to re-build or upgrade any 725.0 9 speed transmission available for AMG vehicle platforms.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bolt-On Solution! Plug & Play - No Core Charge Required. Designed to handle 850HP!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Please call 330-331-2003 with your VIN to so that we can verify compatibility with your specific vehicle.
Bolt-On Solution! Plug & Play - No Core Charge Required. Designed to handle 800HP!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Please call 330-331-2003 with your VIN to so that we can verify compatibility with your specific vehicle.
Increase of +182 Horsepower, and +225 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop.
Complete Bolt-On System, Compatible with stock & modified applications, and all hardware & gaskets included!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Faster Shifts, Firmer Shifts, and Increased Torque Capacity!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Please call 330-331-2003 with your VIN to so that we can verify compatibility with your specific vehicle.
Increase of +132 Horsepower, and +173 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop.
+273 HP, and +279lb-ft TQ. 100% Bolt-on installation / Upgrade. Makes 876 Horsepower, and 906lb-ft of Torque! You are required to ship Weistec your OE turbochargers as a core.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms You are required to ship Weistec your OE turbochargers as a core.
Built and tuned specifically for the demanding conditions of motorsports. 2-way independent compression and rebound adjustment system provides 100 different setting variations for precision adjustment!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! Without Electronic Suspension
Unleash over 1200 horsepower from your M177 with a direct fit dual ceramic ball bearing turbo upgrade backed by a lifetime warranty.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Achieve that iconic turbo blow off sound with precision machined adapters designed for seamless vent to atmosphere performance.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Push your M177 to the absolute limit with a next-generation 35Mpa high-pressure fuel pump delivering 90 percent more flow and superior atomization for extreme horsepower and heavy ethanol blends.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
Lifetime Replacement
