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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.



