4" Performance High Flow catted downpipe upgrade for N55 engines
We Price Match - Give Us A Call or Chat! For vehicles with production date after 08/13
Control your exhaust valves with the click of a button! Includes a standalone vacuum pump, wiring, vacuum hose, and controllers.
10X Entries For Our 25th Anniversary 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
4" Performance High Flow catted downpipe upgrade for N55 engines, kit includes clamps and gasket.
10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with production date after 08/13. DME tune is recommended. Installation without accompanying For vehicles with production date after 08/13
Brand:
ES#:
4158855
Mfg#:
10302011KT
In Stock
$576.99
This product was last offered at the strikethrough price on 04-29-2026
3.5" Performance High Flow catted downpipe upgrade for N55 engines, kit includes clamps and gasket.
10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with production date up to 08/13
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
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
Motorsport pedigree. Superior quality. Excellent sound. Milltek Race cat-back exhaust for enhanced performance.
Race version which includes provisions for the factory electronic control valve for the exhaust note you love.
Motorsport pedigree. Superior quality. Excellent sound. Milltek Race cat-back exhaust for enhanced performance.
Race version which includes provisions for the factory electronic control valve for the exhaust note you love.
Motorsport pedigree. Superior quality. Excellent sound. Milltek Race cat-back exhaust for enhanced performance.
Race version which includes provisions for the factory electronic control valve for the exhaust note you love.
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
