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Your Vehicle 2003 Mercedes Benz G55 AMG Base Sport Utility 463.246 V8 5.5L

2003 Mercedes Benz G55 AMG Base Sport Utility 463.246 V8 5.5L Performance Engine Parts

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ES#3412073 - mbw463ssKT - Full Supersprint Performance Exhaust System - Headers, sport mufflers, and high flow cats. A complete, exquisite, statement exhaust system for the discerning Mercedes-Benz owner. - Supersprint - Mercedes Benz

Headers, sport mufflers, and high flow cats. A complete, exquisite, statement exhaust system for the discerning Mercedes-Benz owner. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3412073
Mfg#:
MBW463SSKT
Ships on Sep 8, 2026
$13029.99 USD
ES#3102946 - MBM113KCABK - UPD High Flow Cold Air Induction Kit - M113K - Unlock hidden M113K power with the UPD Cold Air Induction Kit - OEM style fitment with dyno-proven gains! - Ultimate Performance And Design  - Mercedes Benz

Unlock hidden M113K power with the UPD Cold Air Induction Kit - OEM style fitment with dyno-proven gains! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Ultimate Performance And Design  - Corporate Logo
ES#:
3102946
Mfg#:
MBM113KCABK
Ships in 1 Business Day
$445.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5470378 - MBFSP - UPD Fixed Supercharger Pulley Upgrade - M113K - Increase horsepower and torque! Tune required to safely run! 90+ wheel hp & torque increase, while maintaining a safe level of boost and supercharger rpm! - Ultimate Performance And Design  - Mercedes Benz

Increase horsepower and torque! Tune required to safely run! 90+ wheel hp & torque increase, while maintaining a safe level of boost and supercharger rpm! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ECU Tune is required.

Brand:
Ultimate Performance And Design  - Corporate Logo
ES#:
5470378
Mfg#:
MBFSP
In Stock at Vendor
Starting at $395.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5457434 - UVM76MMTSTYLEX1 - Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457434
Mfg#:
UVM76MMTSTYLEX1
Ships in 1 Business Day
$499.99 USD
Free Shipping
ES#5457432 - UVM76MMDUALOUTx1 - Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457432
Mfg#:
UVM76MMDUALOUTX1
Ships in 1 Business Day
$399.99 USD
Free Shipping
ES#5457431 - UVM.63MM.X2 - Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 2 Mufflers - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457431
Mfg#:
UVM.63MM.X2
Ships in 1 Business Day
$599.99 USD
Free Shipping
ES#5457426 - UVM63MMTSTYLEX1 - Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 1 Muffler - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457426
Mfg#:
UVM63MMTSTYLEX1
Ships in 1 Business Day
$499.99 USD
Free Shipping
ES#5457437 - UVM.89MM.X1 - Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.5" (89mm) - 1 Muffler - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457437
Mfg#:
UVM.89MM.X1
Ships in 1 Business Day
$399.99 USD
Free Shipping
ES#5457433 - UVM76MMDUALOUTx2 - Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 2 Mufflers - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457433
Mfg#:
UVM76MMDUALOUTX2
Ships in 1 Business Day
$599.99 USD
Free Shipping
ES#5457424 - UVM63MMDUALOUTX2 - Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 2 Mufflers - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457424
Mfg#:
UVM63MMDUALOUTX2
Ships in 1 Business Day
$599.99 USD
Free Shipping
ES#4730450 - 01-000-00488-1 - Weistec Supercharged M113K Supercharger Pulley - 62.5mm  - Includes all new hardware, pulley is Anodized in Black. This pulley is designed for cars with headers, and a stock (150mm) crank pulley. - Weistec - Mercedes Benz

Includes all new hardware, pulley is Anodized in Black. This pulley is designed for cars with headers, and a stock (150mm) crank pulley. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Only fits Weistec Supercharger

Brand:
Weistec - Corporate Logo
ES#:
4730450
Mfg#:
01-000-00488-1
Ships in 1 Business Day
$159.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4708001 - 05-113-00108-9KT - Weistec Mercedes-Benz M113 4.3/5.0/5.5 NA W.2 ECU Tune - Increase of +33-66 Horsepower, and +28-42 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts! - Weistec - Mercedes Benz

Increase of +33-66 Horsepower, and +28-42 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This software is only compatible with Windows PC / Laptop.

Brand:
Weistec - Corporate Logo
ES#:
4708001
Mfg#:
05-113-00108-9KT
Ships in 5 Business Days
$999.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4714932 - 01-113-01652-0 - Weistec Mercedes-Benz M113K G55 AMG 2004-2012 W463 Supercharger Tuner Kit - Increase of +211 Horsepower, and +208 Torque! Taking you from stock 469 Horsepower, up to 680hp, and from stock torque 516, up to 724tq! - Weistec - Mercedes Benz

Increase of +211 Horsepower, and +208 Torque! Taking you from stock 469 Horsepower, up to 680hp, and from stock torque 516, up to 724tq! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fuel injectors are not included. Consult your tuner of preference for their recommended fuel injectors for your power goals.

Brand:
Weistec - Corporate Logo
ES#:
4714932
Mfg#:
01-113-01652-0
Ships in 1 Business Day
$8399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4714931 - 01-113-00916-2 - Weistec Mercedes-Benz M113K G55 AMG 2004-2012 W463 Supercharger System Kit - Increase of +211 Horsepower, and +208 Torque! Taking you from stock 469 Horsepower, up to 680hp, and from stock torque 516, up to 724tq! - Weistec - Mercedes Benz

Increase of +211 Horsepower, and +208 Torque! Taking you from stock 469 Horsepower, up to 680hp, and from stock torque 516, up to 724tq! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
650cc Fuel Injectors Included!

Brand:
Weistec - Corporate Logo
ES#:
4714931
Mfg#:
01-113-00916-2
Ships in 1 Business Day
$9999.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4730451 - 01-000-00487-0 - Weistec Supercharged M113K Supercharger Pulley - 65mm  - Includes all new hardware, pulley is Anodized in Black - Weistec - Mercedes Benz

Includes all new hardware, pulley is Anodized in Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Only fits Weistec Supercharger

Brand:
Weistec - Corporate Logo
ES#:
4730451
Mfg#:
01-000-00487-0
Ships in 1 Business Day
$159.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4715443 - 01-000-00450-0 - Mercedes-Benz M113K AMG 82mm Throttle Body - The 82mm throttle body is a must for those looking to get as much power as possible. - Weistec - Mercedes Benz

The 82mm throttle body is a must for those looking to get as much power as possible. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Weistec - Corporate Logo
ES#:
4715443
Mfg#:
01-000-00450-0
Ships in 1 Business Day
$1499.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

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Manufacturer names and/or part numbers are used only for identification purposes.

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