APR Cast Race DP Exhaust System for the 4.0 TFSI

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The APR Cast Race DP Exhaust System replaces the restrictive factory catalyst cross pipes and resonators with an upgraded 76mm stainless steel mandrel-bent system, featuring port-matched cast inlets, high-flow catalysts and various other features. Expect better throttle response, more horsepower and an intoxicating exhaust note, while remaining civilized during normal daily driving. It’s the best performance upgrade for the 4.0 TFSI following the APR ECU Upgrade and it’s all designed and assembled in-house, using premium materials and world-class manufacturing techniques few can match.

  • $1995.00
  • SKU

Apr tuning Audi downpipes


76mm diameter

304 stainless steel material

Catless downpipes for 4.0t Audi 

Up tp 60hp and 95 ftlbs gained 

Tuning required 

apr designed and manufactured in house 

Fitment for :





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Make Model Year Engine
Audi A8 D4 (11-17) 4.0T
Audi RS6 C7 (13-18) 4.0T
Audi RS7 C7 (13-18) 4.0T
Audi S7 C7 (12-18) 4.0T
Audi S6 C7 (12-18) 4.0T
Audi S8 D4 (12-17) 4.0T
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