Restore accurate fuel trim monitoring and eliminate unwanted check engine lights with this premium replacement post-cat oxygen sensor from Febi Bilstein.
Keep your emissions in check. Primary cat in exhaust manifold.
48-state legal - not for sale or use in California For Vehicles with Production dates 1999+
Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutout
10X Entries Into Our F80 M3 Sweepstakes
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 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
Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet
10X Entries Into Our F80 M3 Sweepstakes Not vehicle specific. You MUST measure prior to purchasing!
Brand:
ES#:
2918636
Mfg#:
003358ECS03A02
In Stock
ON SALE!
$113.99
This product was last offered at the strikethrough price on 06-13-2026
Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet
10X Entries Into Our F80 M3 Sweepstakes Not vehicle specific. You MUST measure prior to purchasing!
Brand:
ES#:
2903341
Mfg#:
006555ECS04A02
In Stock
ON SALE!
SAVE 10%
$77.99
This product was last offered at the strikethrough price on 06-13-2026
Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutouts
10X Entries Into Our F80 M3 Sweepstakes
From stock exhaust system repairs to polished stainless steel performance exhaust, we have exhaust pipes, mufflers, resonators, and catalytic converters from the most respected suppliers in the business. Go loud, stay soft, look good with exhaust parts and systems from ECS Tuning.
