Exhaust› Exhaust Pipes, Systems and Components

Can Auto Performance

Catless Downpipe

$219.99

SKU: CAP-EXH-040

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Can Auto Performance CAP-EXH-040 is a catless downpipe designed to maximize exhaust flow and power on the B9 Audi A4 2.0T platform. This bolt-on installation replaces the restrictive stock catalytic converter, leading to an immediate increase in horsepower, torque, and reduced turbo lag. The downpipe features a 4.75” diameter at the turbo outlet, tapering to 3.25”, to improve turbo response and deliver a more aggressive exhaust note.
Show original supplier description
The Can Auto Performance CAP-EXH-040 is a performance catless downpipe engineered to replace the restrictive stock catalytic converter on B9 Audi A4 2.0T models. Its design features a 4.75” diameter at the turbo outlet that smoothly tapers to 3.25”, optimizing exhaust velocity and flow. This configuration is intended to maximize exhaust flow, increase horsepower and torque, reduce turbo lag, and enhance the vehicle's exhaust note. A Stage 2 ECU tune is recommended for optimal performance and proper usage of this downpipe. The product is intended for Racing Competition use only and is not legal for street or highway vehicles. Users should be aware that installing this product will trigger a check engine light, and it is not C.A.R.B. compliant. Software tuning is advised to maximize power gains. This downpipe does NOT fit 2020-2024 B9.5 Models with the V-Band Connection at the turbocharger or right-hand drive (RHD) vehicles. It is also explicitly stated that this product does NOT fit Audi Q7's or the 2005-2011 C6 Audi A6.

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

BrandCan Auto Performance
Part NumberCAP-EXH-040
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.

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