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Exhaust› Catalytic Converters

Evolution

Sport Series High Flow Catted Downpipe

$945.00 $850.50 Save $94.50

SKU: BM-EXH008CAT

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Evolution Racewerks Sports Series downpipe is a high-flow catted downpipe designed for the BMW N20 engine. It features a 4-inch mandrel-bent piping and a 200-cell metallic catalytic converter to reduce exhaust restrictions.

Constructed from 100% stainless steel and TIG welded, this downpipe includes a stainless steel flex section for proper exhaust movement. It is compatible with both factory and aftermarket exhaust systems and includes all necessary hardware for installation.
Show original supplier description
The Evolution Racewerks Sport Series High Flow Catted Downpipe is a performance exhaust upgrade specifically designed for BMW vehicles equipped with the N20 turbocharged engine. This 4-inch diameter downpipe features a high-flow catalytic converter aimed at improving exhaust gas flow and efficiency. Engineered for a range of BMW models from 2011 onwards, this downpipe is compatible with the F10, F25, E84, and E89 chassis. Buyers can select from several finish options to suit their aesthetic preferences and performance goals, including Brushed Finish, Polished Finish, and a Black Thermal Coating. The polished and coated options may incur additional costs and lead times. This component is part of the Evolution Racewerks Sport Series, indicating a focus on enhanced performance over stock exhaust systems. While specific performance gains are not detailed in the provided evidence, high-flow catted downpipes are generally intended to reduce backpressure, which can lead to increased horsepower and torque, particularly when combined with other engine modifications or tuning.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandEvolution
Part NumberBM-EXH008CAT
CategoryExhaust
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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