Maximize your engine's performance!
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
Maximize your engine's performance!
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
Equipped with the same precision-engineering as its Touring Edition counterpart, minus the resonators up front and 180 Technology® resonators in the rear.
2X Entries Into Our F80 M3 Sweepstakes
he Stainless Steel Racing Catalysts offers increased horsepower and torque throughout the powerband, reduced turbocharger lag, improved throttle response, and enhanced exhaust note.
2X Entries Into Our F80 M3 Sweepstakes 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
Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar!
10X Entries Into Our F80 M3 Sweepstakes 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
Replaces the restrictive secondary midpipe - Fits both OE and Milltek Sport systems
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
*** Not all vehicles come equipped with secondary cats, visual check recommended before ordering ***
2.76" stainless steel with quad GT100 polished tips
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
2.76" stainless steel with quad GT80 polished tips
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
Automatic transmission only. Requires the use of an S5 dual exit, quad tip rear valance.
Enhance the sound and performance of your A3 with our ECS Tuning Valved Catback and a FREE Luft-Technik Intake System
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! 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
2.75 Inch w X-Pipe with resonator
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
Eliminates an additional set of resonators from the car, to produce a louder and deeper tone to the exhaust note.
2X Entries Into Our F80 M3 Sweepstakes
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-25-2026
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
2.76" stainless steel with dual GT100 polished tips
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
For Manual transmission vehicles only. Dual exit exhaust requires use of 3.2 V6 dual exit rear valance or S-line rear valance.
The ultimate in free-flowing exhaust performance
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
Allow turbos to spool faster and generate more power lower in the RPM range.
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 product was last offered at the strikethrough price on
06-11-2026
2.36" stainless steel with dual oval polished tips
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
Features a valved passenger-side tip outlet and retains the factory valve behavior based on throttle input, engine speed, and Drive Select.
2X Entries Into Our F80 M3 Sweepstakes 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