Bolt-On Solution! Plug & Play - No Core Charge Required. Designed to handle 789HP!
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Bolt-On Solution! Plug & Play - No Core Charge Required. Designed to handle 890HP!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop.
Astonishing gains of +458 Horsepower, and + 310lb-ft of torque! Makes 1008 Horsepower, and 900lb-ft of Torque! 100% Bolt-on installation!
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+250 HP, and +280lb-ft TQ. 100% Bolt-on installation / Upgrade. 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.
Up to 100 HP Gain*, Designed for Sedans / Coupes, All hardware and gaskets are included
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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!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop.
Precision manufactured for consistent stopping power during high performance driving. Featuring a GeoSpec® corrosion-resistant coating.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Not for cars with Ceramic Brake Disc (Code B07).
Brand:
ES#:
5444744
Mfg#:
2314230212-XSKT
Ships in 5 Business Days
ON SALE!
$255.99
This product was last offered at the strikethrough price on 06-13-2026
Feed your M157 the fuel it demands with a boost-activated, E85-ready twin-pump system capable of flawlessly supporting over 1200 WHP.
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Features Bluetooth control from you phone! Download the app from the app store and see real time Ethanol mixtures in your tank!
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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.
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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 07-10-2026
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.
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For those trying to make big power, this can push you up to 1200WHP with supporting mods, and tuning.
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Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Only for Models Without Active Body Control
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.
