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.
+250 HP, and +280lb-ft TQ. 100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core.
You are required to ship Weistec your OE turbochargers as a core.
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.
Featuring Girodisc 360mm Dimpled & Slotted 2-Piece Rotors, simply replace the cast iron rotor when needed
Not for cars originally equipped with Carbon Ceramic Material (CCM) Brakes
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 08-07-2026
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.
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
