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 +120 Horsepower, and +87 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.
+186 HP & + 117 TQ on Stock Vehicle Application, Makes 637 Horsepower (WHP), and 560 Torque (ft-lb)!
For vehicles that already have stage 1 supercharger, and want to upgrade to stage 2. Requires High-Flow Exhaust System.
Fully assembled, and Ready to run heads!
For vehicles that already have stage 1 or 2 supercharger, and want to upgrade to stage 3. 3.0L Twin Screw Compressor Upgrade
+289 HP & + 187 TQ, For Vehicles With High-Flow Exhaust, Colder Spark Plugs, ROW Airbox Set, and Secondary Air Injection Delete. Makes 740+ Horsepower (WHP), and 630 Torque (ft-lb)!
Replacement Belt for Stage 3, M156 Supercharger System, ABC Suspension Equipped Vehicles
+221 HP & + 219 TQ, For Vehicles with High-Flow Exhausts. Makes 672 Horsepower (WHP), and 662 Torque (ft-lb)!
Makes 30+ WHP gains using the ProFlex Commander and E85! For Stock Injectors.
Only For Cars With Stock Injectors
Average gain of 33 horsepower and 30 lb-ft of torque at the crank
Average gain of 33 horsepower and 30 lb-ft of torque at the crank
Don't let faulty injectors hinder performance
Genuine Mercedes-Benz Replacement Part - Upgrade for any M156 / M159 Engine!
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-15-2026
This camshaft adjuster repair service kit is for M156 6.3L "63 AMG" engines with plastic valve covers only. Includes all four new adjusters, new hardware, and seals.
For Cars With Plastic Valve Covers Only
This product was last offered at the strikethrough price on
07-07-2026