Exhaust› Exhaust Pipes, Systems and Components

ISP

SLE Catless Downpipe

$399.99

SKU: SLE-3435

In Stock
In Stock
Ships by Aug 3
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The SLE Catless Downpipe is engineered for the C7-generation Audi 4.0T V8 models to significantly enhance exhaust flow and turbocharger performance. By eliminating the factory catalytic converters, this downpipe offers increased power potential, quicker throttle response, and a more aggressive exhaust note. Constructed from durable T304 stainless steel and featuring TIG-welding with back-purging, this downpipe is built for reliability under high-performance conditions. It is designed as a direct bolt-on solution, requiring no cutting or welding for installation. Vehicle compatibility includes the Audi S6 C7 (2012–2017), S7 C7 (2012–2017), RS6 C7 (2013–2018), RS7 C7 (2013–2018), A8 4.0T C7 (2012–2017), and S8 C7 (2012–2017). Disclaimer: This product is intended for OFF-ROAD OR RACING USE ONLY and is not legal for use on public roads in vehicles subject to emissions regulations. A stage 2 ECU tune is required to prevent a check engine light (CEL).

MIA's Description

The SLE Catless Downpipe is a performance exhaust component designed for C7-generation Audi 4.0T V8 models. It maximizes exhaust flow, reduces backpressure, and improves turbocharger performance by removing restrictive factory catalytic converters. This downpipe increases power potential, sharpens throttle response, and creates a more aggressive exhaust tone.

Fitment

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Specifications

BrandISP
Part NumberSLE-3435
CategoryExhaust

Buy with Confidence

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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