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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
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.
Unleash over 1200 horsepower from your M177 S63, SL63, or GLS63 with a direct fit dual ceramic ball bearing turbo upgrade.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5446848
Mfg#:
SP-M177S63-IFX12
Special Order: No Guaranteed ETA
38% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$7999.00
This product was last offered at the strikethrough price on 06-05-2026
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Monitor your S63 ethanol content and fuel temperature in real time with this wireless smartphone integrated analyzer featuring a precision 10 micron filtration system.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.