APR Catback Exhaust - Audi 4M RS Q8 4.0T

APR

$5,096.32
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SKU:
CBK0051
Availability:
Usually ship within 1 - 2 weeks
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Product Description

Our premium catback exhaust system is a full length T304 stainless steel exhaust system that's sure to turn heads! Cast flanges make a smooth transition from the factory turbo catalyst pipes into our downpipes and upgrade the size of the piping to 3". High quality brushed T304 stainless steel adorns the system with TIG welding throughout. The piping is as straight and smooth as possible, with mandrel bends and minimal mufflers for maximum flow. Quad pipes exit the system into the exhaust tips and consist of dual 3" valved exhaust paths and dual 2.5" non-valued paths. This allows for multiple sound profiles depending on driving style. The RS Q8 is a monster and sounds absolutely menacing when under wide pen throttle. When the vales open, the fire-breathing twin-turbo V8 gets rowdy. Expect a deep and throaty roar that will send shivers up and done your spine as you're pinned to the back of your seat. And yet when you contain the beat and drive like a normal human being the ECU controlled valves close, reducing sound volume and drone. If you fight the urge to drive like a maniac, the exhaust will reward you with a pleasant low rumble that lets you know its there without upsetting the neighborhood. This is the ultimate exhaust system for the Audi RS Q8!

Features:

  • T304 stainless-steel construction
  • Full system from the cats back
  • Argon back-purged TIG welding throughout
  • Dual 3” mandrel-bent brushed tubing with dual 3” valved and dual 2.5” non-valved outlets
  • Ultra smooth Cast downpipe inlets
  • Dual exhaust valves
  • Brushed-finished sound absorption mufflers
  • Rugged and precise mounting brackets
  • OEM style no-compromise flex sections that won’t collapse, billow, and fail
  • OEM style slip clamps
  • Plug and play design
  • Larger diameter piping compared to stock
  • In-house design with world-class manufacturing and quality control
  • Easy to install

Installation Guide

https://documents.goapr.com/tl100160_rsq8_exhaust_web.pdf

System Overview

The factory exhaust system uses a complex array of hydroformed piping that has a maximum diameter of 2.75” and reduces below this in various areas. Various mufflers and resonators disrupt exhaust flow to tame sound levels. It’s not ideal.

Our system uses all high quality materials such as T304 stainless steel, which is mandrel bent and TIG welded. All brackets are precise and high quality to resist sagging and make install simple. The system starts right at the factory catalysts. Cast inlets feed into the 3” piping, which extends all the way out of the 3” valved path. It’s as smooth and straight through as possible with only a single straight through muffler on each cylinder bank. During normal cruise, the valves close and switch to a dual 2.5” pipe to limit volume and drone.

  • Audi 4M RS Q8 4.0T

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