Gains up to +10 horsepower with an additional +10 ft lbs of torque with a legendary exhaust note!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Gains up to +8 horsepower with an additional +14 ft lbs of torque with a legendary exhaust note!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Gains up to +10 horsepower with an additional +13 ft lbs of torque with a legendary exhaust note!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Gains up to +8 horsepower with an additional +14 ft lbs of torque with a legendary exhaust note!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Gains up to +11 horsepower with an additional +19 ft lbs of torque with a legendary exhaust note!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Gains up to +11 horsepower with an additional +19 ft lbs of torque with a legendary exhaust note!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Will require use of the TTS Quad Exit rear diffuser
Gains of up to +17 horsepower with an additional +24 ft lbs of torque with a legendary exhaust note!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
This system will increase power, reduce weight, and provide a legendary exhaust note!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Requires a S4 Style Quad diffuser on non-S-line rear bumper or an S4 rear diffuser on S-line rear bumper.
Gains of up to +17 horsepower with an additional +24 ft lbs of torque with a legendary exhaust note!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Gains up to +11 horsepower with an additional +19 ft lbs of torque with a legendary exhaust note!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Will require use of the TTS Quad Exit rear diffuser
Gains of up to +14.2 horsepower with an additional +22 Nm of torque with a legendary exhaust note!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
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!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply *Must be used with quad tip rear diffuser from Audi S7 - 4K8807521DRU6*
The perfect legendary exhaust note for your 8V RS3!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Gains of up to +17 horsepower with an additional +24 ft lbs of torque with a legendary exhaust note!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Get the incredible race sound and performance gains with this Valvetronic system!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Only compatible with S4 style quad diffusers
