IRL Audi D4 S8 catback, rear view of both mufflers and tips

Audi D4 S8 4.0T Valved Catback Exhaust, T304 Stainless | IRL

Stainless
$2,899.99
Sale price  $2,899.99 Regular price  $3,299.99
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IRL Audi D4 S8 catback, rear view of both mufflers and tips

Audi D4 S8 4.0T Valved Catback Exhaust, T304 Stainless | IRL

$2,899.99
Sale price  $2,899.99 Regular price  $3,299.99
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The IRL Catback for the Audi D4 S8 replaces the restrictive, heavy OEM system for better flow, more power and more sound without sacrificing drivability.

Why you need it

With the restrictions gone, IRL lists a gain of 27 whp and 37 lb-ft of torque, along with a more aggressive tone.

Fits

  • Audi D4 S8 (2010-2017)

Tip finishes

  • Stainless
  • Black

Features

  • Adds 27 whp and 37 lb-ft of torque
  • Improved sound and performance
  • T304 stainless steel construction
  • Bolt-on installation, no cutting or welding

Good to know

Made to order with a 2-3 week production time.