Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Increase of +111 Horsepower, and +272 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 +159 Horsepower, and +322 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.
Replacement factory turbocharger - Brand New Unit, No Core Charge
Upgrade your M157 AMG or M278 with the UPD Billet Idler Kit - CNC-machined aluminum pulleys built to eliminate factory plastic idler failures and deliver lasting performance and reliability.
M157 / M278 Head Bolt - One Time Use. A full set to secure your cylinder head.
This product was last offered at the strikethrough price on
03-11-2026
Replacement factory turbocharger - Price includes a refundable $296.40 core charge
This product was last offered at the strikethrough price on
05-05-2026
Replacement factory turbocharger - Price includes a $276.90 refundable core charge
This product was last offered at the strikethrough price on
05-05-2026
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Unlock hidden M157 power with the UPD Cold Air Induction Kit - OEM style fitment with dyno-proven gains of up to 25WHP!
M157 / M278 Head Bolt - One Time Use. A full set to secure your cylinder head.
2X Entries For Our 25th Anniversary Sweepstakes!
M157 / M278 Head Bolt - One Time Use - Twenty (20) Required Per Engine
2X Entries For Our 25th Anniversary Sweepstakes!