4" Performance High Flow catted downpipe upgrade for N55 engines
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! For vehicles with production date after 08/13
3" Stainless Steel Downpipes with High Flow Catalytic Converter
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The Active Autowerke N55 downpipe for the M235i, 335i, 435i and M2 helps unleash some of the potential that is restricted by the OEM downpipe.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4158430
Mfg#:
11-040-C
In Stock
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 07-09-2026
Downpipe upgrade for vehicles with the B58 engine
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
4" Performance High Flow catted downpipe upgrade for N55 engines, kit includes clamps and gasket.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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
Recuses backpressure caused by stock catalytic converters. Can produce a 30hp increase.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
