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!
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!
*Must be used with quad tip rear diffuser from Audi S7 - 4K8807521DRU6*
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!
*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!
*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!
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!
*Must be used with quad tip rear diffuser from Audi S7 - 4K8807521DRU6*
Transform your 2.7-liter Bi-Turbo into a high-horsepower powerhouse with this complete BorgWarner K04 upgrade bundle.
RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).
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.
Lifetime Replacement
