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Performance Parts

Hardware we stock, stand behind, and install in-house. Everything here is chosen because we run it on our own cars and our customers' builds.

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87 products

A1 Parts H&R Sport Springs — C63 / C63 S AMG Coupe (C205)
A1 Parts

H&R Sport Springs — C63 / C63 S AMG Coupe (C205)

Progressive H&R sport springs for a lower, flatter C63 coupe.

$399.00View
ModalWorks C63 Polymer Carbon Fiber Intake (Patent Pending)
ModalWorks

C63 Polymer Carbon Fiber Intake (Patent Pending)

Patent-pending polymer carbon intake for the M177 C63.

$649.00View
ModalWorks GLC63 Polymer Carbon Fiber Intake (Patent Pending)
ModalWorks

GLC63 Polymer Carbon Fiber Intake (Patent Pending)

Patent-pending polymer carbon intake for the GLC63.

$649.00View
ModalWorks M177 AMG LS2 Polymer Carbon Fiber Intake (Patent Pending)
ModalWorks

M177 AMG LS2 Polymer Carbon Fiber Intake (Patent Pending)

LS2-spec polymer carbon intake for M177 platforms.

$799.00View
ModalWorks M157 / M278 Ultimate Intake
ModalWorks

M157 / M278 Ultimate Intake

High-flow intake for the M157 and M278 V8s.

$2,399.00View
ModalWorks AMG GT High Flow Intake
ModalWorks

AMG GT High Flow Intake

High-flow intake for the AMG GT platform.

$849.00View
ModalWorks M276 Top Mount Intake System
ModalWorks

M276 Top Mount Intake System

Top-mount intake system for the M276 V6 biturbo.

$689.00View
ModalWorks E63 Intake Manifold
ModalWorks

E63 Intake Manifold

Upgraded intake manifold for the M177 E63.

$3,995.00View
ModalWorks M177 C63 / GLC63 / AMG GT Exhaust Manifold
ModalWorks

M177 C63 / GLC63 / AMG GT Exhaust Manifold

High-flow exhaust manifold for M177 platforms.

$3,599.00View
ModalWorks C63 and C43 Transmission Split Cooling
ModalWorks

C63 and C43 Transmission Split Cooling

Dedicated transmission cooling circuit for C63 and C43.

$799.00View
ModalWorks E63 M177.2 Transmission Split Cooling
ModalWorks

E63 M177.2 Transmission Split Cooling

Dedicated transmission cooling for the M177.2 E63.

$799.00View
ModalWorks Mercedes M177 Vent to Air Adapter
ModalWorks

Mercedes M177 Vent to Air Adapter

Vent-to-air diverter adapters for the M177.

$119.00View
ModalWorks Mercedes C43 / E43 / S43 / GLC43 Vent to Air Adapter
ModalWorks

Mercedes C43 / E43 / S43 / GLC43 Vent to Air Adapter

Vent-to-air diverter adapters for M276 43-series cars.

$119.00View
Gapped Industries W213 E63 S / GT63 S AMG Catless Race Downpipes 2016-2023 [M177.2]
Gapped Industries

W213 E63 S / GT63 S AMG Catless Race Downpipes 2016-2023 [M177.2]

Stainless catless race downpipes — frees up exhaust flow for Stage 2.

$1,299.99View
Gapped Industries C63 / C63 S W205 Catless Race Downpipes 2015-2023 [M177.1]
Gapped Industries

C63 / C63 S W205 Catless Race Downpipes 2015-2023 [M177.1]

Stainless catless race downpipes — frees up exhaust flow for Stage 2.

$949.99View
Gapped Industries W205 C43/C450/C400 & W213 E43/E450/E400 Catless Race Downpipes [M276]
Gapped Industries

W205 C43/C450/C400 & W213 E43/E450/E400 Catless Race Downpipes [M276]

Stainless catless race downpipes — frees up exhaust flow for Stage 2.

$799.99View
Gapped Industries W212 E63 / E63 S & C218 CLS63 Catless Race Downpipes 2010-2017
Gapped Industries

W212 E63 / E63 S & C218 CLS63 Catless Race Downpipes 2010-2017

Stainless catless race downpipes — frees up exhaust flow for Stage 2.

$1,099.99View
Gapped Industries W212 E63 / E63 S RWD Catless Race Downpipes 2013-2017
Gapped Industries

W212 E63 / E63 S RWD Catless Race Downpipes 2013-2017

Stainless catless race downpipes — frees up exhaust flow for Stage 2.

$1,199.99View
Gapped Industries GT53 / GT43 / E53 / CLS53 / GLE53 / GLS53 AMG Catless Race Downpipes
Gapped Industries

GT53 / GT43 / E53 / CLS53 / GLE53 / GLS53 AMG Catless Race Downpipes

Stainless catless race downpipes — frees up exhaust flow for Stage 2.

$649.99View
Gapped Industries A45 & CLA45 AMG Catless Race Downpipes 2014+
Gapped Industries

A45 & CLA45 AMG Catless Race Downpipes 2014+

Stainless catless race downpipes — frees up exhaust flow for Stage 2.

$799.99View
Gapped Industries W205 C200/C260/C300 & W213 E200/E260/E300 Catless Race Downpipes 2015+
Gapped Industries

W205 C200/C260/C300 & W213 E200/E260/E300 Catless Race Downpipes 2015+

Stainless catless race downpipes — frees up exhaust flow for Stage 2.

$449.99View
Gapped Industries GLC63 AMG Catless Race Downpipes 2018-2023 [M177]
Gapped Industries

GLC63 AMG Catless Race Downpipes 2018-2023 [M177]

Stainless catless race downpipes — frees up exhaust flow for Stage 2.

$949.99View
Gapped Industries W204 C63 AMG Long-Tube Headers & Downpipes 2008-2014
Gapped Industries

W204 C63 AMG Long-Tube Headers & Downpipes 2008-2014

Stainless long-tube headers and downpipes — frees up exhaust flow for Stage 2.

$1,649.99View
Gapped Industries S63 W222 Catless Race Downpipes 2018-2020 [M177.2]
Gapped Industries

S63 W222 Catless Race Downpipes 2018-2020 [M177.2]

Stainless catless race downpipes — frees up exhaust flow for Stage 2.

$949.99View
Gapped Industries CLS 550 C218 Catless Race Downpipes 2012-2018 [M278]
Gapped Industries

CLS 550 C218 Catless Race Downpipes 2012-2018 [M278]

Stainless catless race downpipes — frees up exhaust flow for Stage 2.

$999.99View
Spool Performance Stage 3 Low Pressure Fuel Pump — C63 [M177]
Spool Performance

Stage 3 Low Pressure Fuel Pump — C63 [M177]

Upgraded low-pressure fuel pump for high-output and ethanol builds.

$1,399.00View
Spool Performance Stage 3 Low Pressure Fuel Pump — E63 [M177]
Spool Performance

Stage 3 Low Pressure Fuel Pump — E63 [M177]

Upgraded low-pressure fuel pump for high-output and ethanol builds.

$1,199.00View
Spool Performance Stage 3 Low Pressure Fuel Pump — GT63 [M177]
Spool Performance

Stage 3 Low Pressure Fuel Pump — GT63 [M177]

Upgraded low-pressure fuel pump for high-output and ethanol builds.

$1,199.00View
Spool Performance Stage 3 Low Pressure Fuel Pump — GLC63 [M177]
Spool Performance

Stage 3 Low Pressure Fuel Pump — GLC63 [M177]

Upgraded low-pressure fuel pump for high-output and ethanol builds.

$1,199.00View
Spool Performance Stage 3 Low Pressure Fuel Pump — S63 [M177]
Spool Performance

Stage 3 Low Pressure Fuel Pump — S63 [M177]

Upgraded low-pressure fuel pump for high-output and ethanol builds.

$1,199.00View
Spool Performance Stage 3 Low Pressure Fuel Pump — G63 / G550 [M177]
Spool Performance

Stage 3 Low Pressure Fuel Pump — G63 / G550 [M177]

Upgraded low-pressure fuel pump for high-output and ethanol builds.

$1,199.00View
Spool Performance Stage 3 Low Pressure Fuel Pump — E63 / CLS63 / GLE63 / S63 / SL63 [M157]
Spool Performance

Stage 3 Low Pressure Fuel Pump — E63 / CLS63 / GLE63 / S63 / SL63 [M157]

Upgraded low-pressure fuel pump for high-output and ethanol builds.

$1,199.00View
Spool Performance Stage 3 Low Pressure Fuel Pump — GT / GTS / GTC / GTR [M178]
Spool Performance

Stage 3 Low Pressure Fuel Pump — GT / GTS / GTC / GTR [M178]

Upgraded low-pressure fuel pump for high-output and ethanol builds.

$1,199.00View
Spool Performance Stage 3 Low Pressure Fuel Pump — CLA45 / GLA45 / A45 [M133]
Spool Performance

Stage 3 Low Pressure Fuel Pump — CLA45 / GLA45 / A45 [M133]

Upgraded low-pressure fuel pump for high-output and ethanol builds.

$1,199.00View
Spool Performance Stage 3 Low Pressure Fuel Pump — C43 / GLE43 / E43 [M276]
Spool Performance

Stage 3 Low Pressure Fuel Pump — C43 / GLE43 / E43 [M276]

Upgraded low-pressure fuel pump for high-output and ethanol builds.

$1,199.00View
Spool Performance FX-350 Upgraded High Pressure Fuel Pump System — E63 [M177]
Spool Performance

FX-350 Upgraded High Pressure Fuel Pump System — E63 [M177]

High-pressure fuel pump system for serious power and ethanol.

$6,499.00View
Spool Performance FX-350 Upgraded High Pressure Fuel Pump System — [M256]
Spool Performance

FX-350 Upgraded High Pressure Fuel Pump System — [M256]

High-pressure fuel pump system for serious power and ethanol.

$2,799.00View
Spool Performance FX-350 Upgraded High Pressure Fuel Pump System — [M276]
Spool Performance

FX-350 Upgraded High Pressure Fuel Pump System — [M276]

High-pressure fuel pump system for serious power and ethanol.

$2,799.00View
Spool Performance FX-350 Upgraded High Pressure Fuel Pump System — [M133]
Spool Performance

FX-350 Upgraded High Pressure Fuel Pump System — [M133]

High-pressure fuel pump system for serious power and ethanol.

$2,799.00View
Spool Performance FX-200 Upgraded High Pressure Fuel Pump System — C63 [M177]
Spool Performance

FX-200 Upgraded High Pressure Fuel Pump System — C63 [M177]

High-pressure fuel pump system for serious power and ethanol.

$5,999.00View
Spool Performance FX-200 Upgraded High Pressure Fuel Pump System — E63 [M177]
Spool Performance

FX-200 Upgraded High Pressure Fuel Pump System — E63 [M177]

High-pressure fuel pump system for serious power and ethanol.

$5,999.00View
Spool Performance FX-200 Upgraded High Pressure Fuel Pump System — G63 / G550 [M177]
Spool Performance

FX-200 Upgraded High Pressure Fuel Pump System — G63 / G550 [M177]

High-pressure fuel pump system for serious power and ethanol.

$5,999.00View
Spool Performance FX-200 Upgraded High Pressure Fuel Pump System — [M157]
Spool Performance

FX-200 Upgraded High Pressure Fuel Pump System — [M157]

High-pressure fuel pump system for serious power and ethanol.

$5,999.00View
Spool Performance FX-200 Upgraded High Pressure Fuel Pump System — [M133]
Spool Performance

FX-200 Upgraded High Pressure Fuel Pump System — [M133]

High-pressure fuel pump system for serious power and ethanol.

$2,399.00View
Spool Performance Handheld Ethanol Content Analyzer
Spool Performance

Handheld Ethanol Content Analyzer

Know your exact ethanol content before you drive it.

$399.00View
Spool Performance Wireless Ethanol Analyzer Kit — C63 [M177]
Spool Performance

Wireless Ethanol Analyzer Kit — C63 [M177]

Know your exact ethanol content before you drive it.

$469.00View
Spool Performance Wireless Ethanol Analyzer Kit — E63 [M177]
Spool Performance

Wireless Ethanol Analyzer Kit — E63 [M177]

Know your exact ethanol content before you drive it.

$469.00View
Spool Performance Wireless Ethanol Analyzer Kit — [M178]
Spool Performance

Wireless Ethanol Analyzer Kit — [M178]

Know your exact ethanol content before you drive it.

$469.00View
Spool Performance Wireless Ethanol Analyzer Kit & 10 Micron Filter — [M157]
Spool Performance

Wireless Ethanol Analyzer Kit & 10 Micron Filter — [M157]

Know your exact ethanol content before you drive it.

$569.00View
Pure Turbos Pure1000 Turbo Upgrade — C63 S / AMG GT / GTS / GTR [M177 / M178]
Pure Turbos

Pure1000 Turbo Upgrade — C63 S / AMG GT / GTS / GTR [M177 / M178]

Upgraded turbochargers built on the factory frame.

$4,495.00View
Pure Turbos Pure900 Turbo Upgrade — C63 S / AMG GT / GTS / GTR [M177 / M178]
Pure Turbos

Pure900 Turbo Upgrade — C63 S / AMG GT / GTS / GTR [M177 / M178]

Upgraded turbochargers built on the factory frame.

$3,626.00View
Pure Turbos Pure1000 Turbo Upgrade — E63 S / AMG GT Black Series [M177 / M178]
Pure Turbos

Pure1000 Turbo Upgrade — E63 S / AMG GT Black Series [M177 / M178]

Upgraded turbochargers built on the factory frame.

$4,495.00View
Pure Turbos Pure900 Turbo Upgrade — E63 S / AMG GT Black Series [M177 / M178]
Pure Turbos

Pure900 Turbo Upgrade — E63 S / AMG GT Black Series [M177 / M178]

Upgraded turbochargers built on the factory frame.

$3,495.00View
Pure Turbos Pure900 Turbo Upgrade — [M157 / M278]
Pure Turbos

Pure900 Turbo Upgrade — [M157 / M278]

Upgraded turbochargers built on the factory frame.

$3,995.00View
Pure Turbos Pure650 Turbo Upgrade — CLA45 / GLA45 / A45 [M133]
Pure Turbos

Pure650 Turbo Upgrade — CLA45 / GLA45 / A45 [M133]

Upgraded turbochargers built on the factory frame.

$2,395.00View
Pure Turbos Pure550 Turbo Upgrade — CLA45 / GLA45 / A45 [M133]
Pure Turbos

Pure550 Turbo Upgrade — CLA45 / GLA45 / A45 [M133]

Upgraded turbochargers built on the factory frame.

$1,595.00View
Premier Tuning Group PTG 1000 Turbo System — [M177.1]
Premier Tuning Group

PTG 1000 Turbo System — [M177.1]

Complete 1000-class turbo system for M177 / M178.

$6,499.99View
Premier Tuning Group PTG 1000 Turbo System — [M177.2]
Premier Tuning Group

PTG 1000 Turbo System — [M177.2]

Complete 1000-class turbo system for M177 / M178.

$7,499.99View
Premier Tuning Group PTG 1000 Turbo System — [M178]
Premier Tuning Group

PTG 1000 Turbo System — [M178]

Complete 1000-class turbo system for M177 / M178.

$6,499.99View
Premier Tuning Group PTG High Flow Exhaust Manifold — [M177.1 / M178]
Premier Tuning Group

PTG High Flow Exhaust Manifold — [M177.1 / M178]

High-flow exhaust manifold for M177.1 / M178.

$2,899.00View
Premier Tuning Group PTG X M177.1 Intake Manifolds
Premier Tuning Group

PTG X M177.1 Intake Manifolds

Billet replacement intake manifolds for the M177.1 4.0L V8 biturbo.

$4,999.99View
Premier Tuning Group PTG X M177.2 Intake Manifolds
Premier Tuning Group

PTG X M177.2 Intake Manifolds

Billet replacement intake manifolds for the M177.2 4.0L V8 biturbo.

$4,999.99View
Premier Tuning Group PTG X M178 Intake Manifolds
Premier Tuning Group

PTG X M178 Intake Manifolds

Billet replacement intake manifolds for the M178 4.0L V8 biturbo.

$4,999.99View
Premier Tuning Group PTG M177 High Pressure Fuel Pump System
Premier Tuning Group

PTG M177 High Pressure Fuel Pump System

Complete high-pressure fuel pump system for the M177 V8.

$4,999.99View
Premier Tuning Group PTG M178 High Pressure Fuel Pump System
Premier Tuning Group

PTG M178 High Pressure Fuel Pump System

Complete high-pressure fuel pump system for the M178 V8.

$4,999.99View
Premier Tuning Group PTG X-Series Dual Pump Low Side Fuel System
Premier Tuning Group

PTG X-Series Dual Pump Low Side Fuel System

Dual-pump low-side fuel system for high-output AMG V8 builds.

$3,799.99View
Premier Tuning Group PTG Flex-Fuel Analyzer System
Premier Tuning Group

PTG Flex-Fuel Analyzer System

Ethanol content sensor kit so the tune can read blend live.

$799.99View
A1 Parts M177 / M178 Fuel Injectors
A1 Parts

M177 / M178 Fuel Injectors

Replacement direct injectors for the M177 and M178 V8.

$420.00View
Premier Tuning Group M156 Flow Matched Fuel Injectors — 900–1300cc
Premier Tuning Group

M156 Flow Matched Fuel Injectors — 900–1300cc

Flow-matched 900–1300cc injectors for the M156 6.2L V8.

$1,149.99View
CSF Mercedes-AMG M157 / M278 / M133 High-Performance Auxiliary Radiator
CSF

Mercedes-AMG M157 / M278 / M133 High-Performance Auxiliary Radiator

Direct-fit auxiliary radiator for M157, M278 and M133 AMGs.

$499.00View
CSF Mercedes W212 E63 AMG / W218 CLS63 AMG High-Performance Heat Exchanger
CSF

Mercedes W212 E63 AMG / W218 CLS63 AMG High-Performance Heat Exchanger

Upgraded charge-air heat exchanger for W212 E63 and W218 CLS63.

$599.00View
CSF Mercedes-AMG GT R / GT C High-Performance Auxiliary Radiator
CSF

Mercedes-AMG GT R / GT C High-Performance Auxiliary Radiator

All-aluminium auxiliary radiator for the AMG GT R and GT C.

$599.00View
CSF Mercedes-AMG GT / GT S / W205 C63 / W166 GLE63 / X166 GLS63 Auxiliary Radiator
CSF

Mercedes-AMG GT / GT S / W205 C63 / W166 GLE63 / X166 GLS63 Auxiliary Radiator

Auxiliary radiator covering AMG GT, C63, GLE63 and GLS63.

$549.00View
CSF Mercedes-AMG GT / R / C / W205 C63 / W213 E63 / GLC63 Heat Exchanger w/ Rock Guard
CSF

Mercedes-AMG GT / R / C / W205 C63 / W213 E63 / GLC63 Heat Exchanger w/ Rock Guard

High-capacity heat exchanger with a fitted rock guard.

$749.00View
CSF Mercedes 190E 2.3-16 / 2.5-16 Aluminium High-Performance Radiator
CSF

Mercedes 190E 2.3-16 / 2.5-16 Aluminium High-Performance Radiator

All-aluminium radiator for the 190E 2.3-16 and 2.5-16 Cosworth.

$745.00View
CSF Mercedes 500SL (90–93) / SL500 (94–02) High-Performance Radiator
CSF

Mercedes 500SL (90–93) / SL500 (94–02) High-Performance Radiator

High-performance replacement radiator for R129 500SL and SL500.

$645.00View
Black Boost Mercedes 725.0 Performance Clutch Kit
Black Boost

Mercedes 725.0 Performance Clutch Kit

Upgraded clutch pack set for the 725.0 nine-speed.

$3,199.00View
Black Boost 722.9 Transmission Performance Package
Black Boost

722.9 Transmission Performance Package

Performance upgrade package for the 722.9 seven-speed.

$2,699.00View
Black Boost Mercedes-AMG M177 CPC Module — 9G-TRONIC
Black Boost

Mercedes-AMG M177 CPC Module — 9G-TRONIC

Replacement CPC module for M177 cars on the 9G-TRONIC.

$2,299.00View
Southern Hotrod SHR 722.9 Transmission Filter Kit
Southern Hotrod

SHR 722.9 Transmission Filter Kit

Filter and seal kit for 722.9 service intervals.

$97.99View
Southern Hotrod SHR 722.9 Transmission Build Kit — Type II
Southern Hotrod

SHR 722.9 Transmission Build Kit — Type II

Complete Type II build kit for rebuilding a 722.9.

$2,515.00View
Southern Hotrod SHR OEM+ NAG2 722.9 Valve Body (Naked)
Southern Hotrod

SHR OEM+ NAG2 722.9 Valve Body (Naked)

Reworked 722.9 valve body, supplied without solenoids.

$849.00View
Xtreme DI Xtreme-DI M276 AMG High Pressure Fuel Pump
Xtreme DI

Xtreme-DI M276 AMG High Pressure Fuel Pump

Upgraded high-pressure fuel pump for the M276 3.0L V6 biturbo.

$1,399.00View
Xtreme DI Xtreme-DI M133 AMG High Pressure Fuel Pump
Xtreme DI

Xtreme-DI M133 AMG High Pressure Fuel Pump

Upgraded high-pressure fuel pump for the M133 2.0L turbo.

$1,399.00View
Xtreme DI Xtreme-DI M157 / M278 AMG High Pressure Fuel Pump
Xtreme DI

Xtreme-DI M157 / M278 AMG High Pressure Fuel Pump

Upgraded high-pressure fuel pump for the M157 5.5L and M278 4.7L V8 biturbo.

Request PriceView
Xtreme DI Xtreme-DI M177 AMG High Pressure Fuel Pump
Xtreme DI

Xtreme-DI M177 AMG High Pressure Fuel Pump

Upgraded high-pressure fuel pump for the M177 4.0L V8 biturbo.

Request PriceView
Xtreme DI Xtreme-DI M178 AMG High Pressure Fuel Pump
Xtreme DI

Xtreme-DI M178 AMG High Pressure Fuel Pump

Upgraded high-pressure fuel pump for the M178 4.0L V8 biturbo.

Request PriceView

Installed in-house

Buy the part and have us fit it. Installation is quoted separately at our $175/hour shop rate.

Fitment confirmed by VIN

We check every order against your VIN before it ships or gets installed. If something doesn't fit, we catch it first.

Tuned to match

Hardware and calibration go together. We'll tell you honestly whether a part needs a tune to be worth fitting.

Ready to get A1Tuned?

Tell us about your vehicle and your goals. We'll review your request and send an honest, itemized quote — no pressure, no hype.