RS4

Resonated. For fitment to OEM Catalysts - ECE Approved

Non-Resonated. For fitment to OEM Catalysts

Resonated (quieter). Uses OE tailpipe trims

Non-resonated (louder). Uses OE tailpipe trims

US-Spec. Uses OE tailpipe trims

Remote Control (Plug & Play version)

(Requires stage 2 ECU remap)

Cat Back Resonated EC Approved - with Polished Oval Trims

Cat Back Resonated EC Approved - with Cerakote Black Oval Trims

Cat Back Non-Res (Race - Louder) with Cerakote Black Oval Trims

Cat Back Non-Res (Race - Louder) with Polished Oval Trims

Cat Back (Road+) with Polished Oval Trims

Cat Back (Road+) with Cerakote Black Oval Trims

Cat Back Non-Res (Race - Louder) with Titanium Oval Trims

Cat Back Non-Res (Race - Louder) with Burnt Titanium Oval Trims

Cat Back Resonated EC Approved - with Titanium Oval Trims

Cat Back Resonated EC Approved - with Burnt Titanium Oval Trims

Cat Back (Road+) with Titanium Oval Trims

Cat Back (Road+) with Burnt Titanium Oval Trims

With 200 Cell HJS HQ High Flow Cats (Requires stage 2 ECU remap)

Remote Control (Plug & Play version)

Cat Back Resonated EC Approved - with Polished Oval Trims

Cat Back Resonated EC Approved - with Cerakote Black Oval Trims

Cat Back Resonated EC Approved - with Titanium Oval Trims