Audi RS5 B9 Titanium & Stainless Steel Valved Cat Back Exhaust Available Coupon Code:"M3Parts" (Enter manually at checkout) * Complete Kit Includes: Carbon

* Complete Kit Includes: Carbon Fiber Diffuser (1pc)

Install Guides coming soon

What an ARM intercooler upgrade does for your 135i is keep the intake air temperature in the ECU's "safe zone"

Use our discount code "M3List" to save on the entire OEMExtinguishers website at checkout

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Audi RS5 B9 Titanium & Stainless Steel Valved Cat Back Exhaust Available Coupon Code:"M3Parts" (Enter manually at checkout) * Complete Kit Includes: CarbonUpgrade your Audi RS5 B9 with our Valved Cat Back exhaust system. Designed for optimal performance, it delivers a powerful sound and improved horsepower. Its advanced valve technology allows for customizable sound control, giving you the ultimate driving experience. Perfect for those seeking high quality, professional grade enhancements for their vehicle. Experience smooth and responsive performance with the ValvedExhausts Catback System. Lighter than