This system will increase power, reduce weight, and provide a legendary exhaust note!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Requires a S4 Style Quad diffuser on non-S-line rear bumper or an S4 rear diffuser on S-line rear bumper.
This valved cat back system features wireless remote control and quad matte black tips - This system will increase power, reduce weight, and provide a legendary exhaust note!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *Must be used with quad tip rear diffuser from Audi S7 - 4K8807521DRU6*
This system will increase power, reduce weight, and provide a legendary exhaust note!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Requires a S4 Style Quad diffuser on non-S-line rear bumper or an S4 rear diffuser on S-line rear bumper.
Sport Cat-Pipe with 200 CPSI Catalytic Converter - Increase power, reduce weight, and improve sound!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This valved cat back system features wireless remote control and dual chrome silver tips - This system will increase power, reduce weight, and provide a legendary exhaust note!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This valved cat back system features wireless remote control and quad carbon tips - This system will increase power, reduce weight, and provide a legendary exhaust note!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *Must be used with quad tip rear diffuser from Audi S7 - 4K8807521DRU6*
This valved cat back system features wireless remote control and quad blue coated tips - This system will increase power, reduce weight, and provide a legendary exhaust note!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *Must be used with quad tip rear diffuser from Audi S7 - 4K8807521DRU6*
This valved cat back system features wireless remote control and quad gold tips - This system will increase power, reduce weight, and provide a legendary exhaust note!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *Must be used with quad tip rear diffuser from Audi S7 - 4K8807521DRU6*
This system will increase power, reduce weight, and provide a legendary exhaust note!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Requires a S4 Style Quad diffuser on non-S-line rear bumper or an S4 rear diffuser on S-line rear bumper.
This valved cat back system features wireless remote control and quad chrome silver tips - This system will increase power, reduce weight, and provide a legendary exhaust note!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *Must be used with quad tip rear diffuser from Audi S7 - 4K8807521DRU6*
Boost your mid-range torque instantly while keeping your options open for future water-methanol injection setups.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Great for when more fuel is needed in a custom fueling application
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Includes M10x1.5x115 cylinder head bolts, most major cylinder head gaskets, and seals
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
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.
