+1mm oversized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! *Oversized valves require extra machine work to the cylinder head.*
Weighing in at 14 lbs, allows for faster revving and easier rev matching when downshifting.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *For use with Audi B7 RS4 Clutch Kit - ES2550660*
Includes the ECS Adjustable Short Throw Shifter paired with BFI's Heavy Weight SCHWARZ Shift Knob
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Provides increased coolant capacity for lower coolant temperatures and intake temperatures.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Coated rod bearing set for the Audi 2.7T and 2.8L12V / 30V V6 motors - engineered to withstand extreme performance pressure
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Optimize the driving experience with performance tuning software for your vehicle's Transmission Control Unit (TCU).
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the ne
Gains from 110 HP/89 TQ on 91 octane up to 133 HP/108 TQ on 100 octane
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade must be performed at ECS Tuning's facility in Ohio. Vehicle must be brought to ECS Tuning for programming
Eliminate the delay in throttle response times with a simple XLR addition! Allows for Bluetooth connectivity for easy App based control.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
The Carbon Series has performance woven into the core of every product.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For models with CWGD engine code.
Performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
A healthy bump in horsepower and torque across the entire RPM range - Includes APR drive pulley, APR installation tool, and correct length drive belt
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! APR Stage II software is required to run any upgraded Pulley configuration and is sold separately - Vehic
Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! *Existing factory triple-groove valve keepers are to be reused*
Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.