Astonishing gains of +444 Horsepower, and + 307lb-ft of torque! Makes 900 Horsepower, and 750lb-ft of Torque! 100% Bolt-on installation!
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Increase of +149 Horsepower, and +181 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.
The factory AMG GT downpipes are highly restrictive, designed primarily for economy and noise reduction rather than performance.
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Feed and Return Lines (11.2 X 2 mm)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4876517
Mfg#:
0279970645
In Stock at Vendor
$6.99
This product was last offered at the strikethrough price on 05-07-2026
Protect your M178 engine from inconsistent pump gas and dial in the perfect blend with real time wireless ethanol monitoring sent straight to your smartphone.
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Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
