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
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
Strategically engineered to virtually eliminate the immensely restrictive characteristics of the factory downpipes - featuring a 4" high flow GESI catalytic converter
Brand:
ES#:
4315330
Mfg#:
11-065
Ships in 10 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.
$1499.00
This product was last offered at the strikethrough price on 07-18-2026
Unleash the power of your car by reducing the biggest restriction in your exhaust
For vehicles with the N20 engine only - will NOT work with the N26 SULEV Engines!
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 downpipe with a performance aftermarket downpipe to reduce restrictions and increase performance with a hearty improvement to your exhaust and turbo sound.
Lifetime Replacement
