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.
Eliminate fueling bottlenecks on your M157 with an upgraded FX-200 high-pressure fuel pump system designed to effortlessly handle big power and full E85.
Brand:
ES#:
5446632
Mfg#:
SP-FX0320-M157
Special Order: No Guaranteed ETA
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$5999.00
This product was last offered at the strikethrough price on 08-06-2026
Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutout
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