Control your exhaust valves with the click of a button! Includes a standalone vacuum pump, wiring, vacuum hose, and controllers.
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 10X Entries For Our Spin To Win Sweepstakes!
Brand:
ES#:
4883843
Mfg#:
004788LA01
In Stock
ON SALE!
SAVE 10%
$100.99
This product was last offered at the strikethrough price on 06-13-2026
Choose between a 2.5" or 3.0" valved mufflers to complete your custom exhaust.
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
Let your S58 breathe! Eliminates the restrictive center resonator for increased sound and adds an x-pipe to increase efficiency.
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
Brand:
ES#:
4858171
Mfg#:
044868LA01
In Stock
ON SALE!
SAVE 15%
$425.99
This product was last offered at the strikethrough price on 05-02-2026
Manually control muffler valve funtions with the click of a button with this plug and play kit
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 vehicles with electronic valves only
Increase your sound, performance and aesthetic of your exhaust! Gains up to 10HP and 14FT/LBS of torque in your powerband.
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
Don't settle for stock performance - upgrade to the Mad S58 200 Cell Race Catted Downpipes and experience the true potential of your BMW.
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
Brand:
ES#:
4899634
Mfg#:
MAD-051
Ships in 7 Business Days
34% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$859.00
This product was last offered at the strikethrough price on 10-29-2026
Upgrade To Dinan's Experience Package to Save When Modifying Your G8X M3 or M4!
Call In Or Chat For Best Price! 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
Brand:
ES#:
4818128
Mfg#:
G8X-M3M4-E-GBGA
Ships in 8 Business Days
ON SALE!
SAVE 10%
$5849.99
This product was last offered at the strikethrough price on 09-28-2026
Introduces a more aggressive tone and an increase in volume over the stock system while retaining the factory muffler!
Call In Or Chat For Best Price! 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
Brand:
ES#:
4668699
Mfg#:
D660-0094
Ships in 6 Business Days
ON SALE!
SAVE 10%
$899.99
This product was last offered at the strikethrough price on 09-28-2026
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
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
Universal 4" exhaust tips with a 2.75" inlet
Call In Or Chat For Best Price! 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
Brand:
ES#:
4883965
Mfg#:
D663-0600-BOX
In Stock
ON SALE!
SAVE 11%
$85.99
This product was last offered at the strikethrough price on 09-28-2026
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
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
Free up power and unleash your BMW's naturally aggressive S58 exhaust tone!
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
Brand:
ES#:
4608687
Mfg#:
3025-42480
Ships in 8 Business Days
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$3352.99
This product was last offered at the strikethrough price on 10-29-2026
Unleash the aggressive sound of your S58 engine with Active Autowerke's valved rear exhaust!
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
Brand:
ES#:
4900015
Mfg#:
11-086CB
Ships in 4 Business Days
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$3199.00
This product was last offered at the strikethrough price on 10-29-2026
Deep exhaust tone with the functionality of stock valve control.
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
Brand:
ES#:
4487372
Mfg#:
G8XAXLBCKSTBRU
Ships in 4 Business Days
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$2499.00
This product was last offered at the strikethrough price on 10-29-2026
Performance exhaust systems increase flows to improve throttle response and add power. Designed to reduce back pressure, our large selection of performance exhaust parts and performance exhaust systems is made from premium materials like stainless steel. Many are TIG welded and polished to make them as attractive as they are functional.
Lifetime Replacement
