Get up to +78 hp and +110 lb-ft through a safe and easy to use tuning module from RaceChip
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Brand:
ES#:
4339039
Mfg#:
903951
Ships in 4 Business Days
ON SALE!
SAVE 10%
$499.00
This product was last offered at the strikethrough price on 06-30-2026
Get up to +93 hp and +131 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip
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Brand:
ES#:
4339042
Mfg#:
903956
Ships in 4 Business Days
ON SALE!
SAVE 10%
$849.00
This product was last offered at the strikethrough price on 06-30-2026
Get up to +78 hp and +110 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4339040
Mfg#:
903952
Ships in 4 Business Days
ON SALE!
SAVE 10%
$549.00
This product was last offered at the strikethrough price on 06-30-2026
Unleash the raw thunder of your M177 V8 with this handcrafted Italian oversized valved exhaust system for your GLC 63 AMG!
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Ditch the weight and unlock a raw, race-inspired V8 roar with the Valvetronic Titanium Exhaust - the ultimate drone-free, valved soundtrack for your GLC 63.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Coupe models require exhaust hanger modification.
Brand:
ES#:
5446121
Mfg#:
MER.AMG.GLC63.VS
Ships in 2 Business Days
ON SALE!
SAVE 10%
$4999.00
This product was last offered at the strikethrough price on 06-28-2026
Unlock up to 900WHP with VTT’s direct bolt-on GC turbo upgrade for the M177/M178—faster spool, freer flow, and OE-style fitment without cores, delays, or compromises.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
Increase of +198 Horsepower, and +168 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.
Faster Shifts, Firmer Shifts, and Increased Torque Capacity!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Please call 330-331-2003 with your VIN to so that we can verify compatibility with your specific vehicle.
+351 HP, and +241lb-ft TQ. 100% Bolt-on installation / Upgrade. Makes 876 Horsepower, and 906lb-ft of Torque! 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.
Increase of +136 Horsepower, and +145 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 +481 Horsepower, and + 321lb-ft of torque! Makes 950 Horsepower, and 800lb-ft of Torque! 100% Bolt-on installation!
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Complete Bolt-On System, Compatible with stock & modified applications, and all hardware & gaskets included!
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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! For vehicles with AMG Line Exterior, or Upgraded Front Brake Discs (Code P31, or U29).
Brand:
ES#:
5444713
Mfg#:
0004230712-XSKT
Ships in 5 Business Days
ON SALE!
$217.99
This product was last offered at the strikethrough price on 06-13-2026
Safeguard your engine from inconsistent pump E85 and dial in the perfect mix with real-time wireless ethanol monitoring straight to your smartphone.
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Transform your M177 into a 1200 horsepower monster with a direct fit dual ceramic ball bearing turbo upgrade backed by a lifetime warranty.
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Brand:
ES#:
5446638
Mfg#:
SP-M177C63-IFX12
Special Order: No Guaranteed ETA
38% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$7999.00
This product was last offered at the strikethrough price on 06-30-2026
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.
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