Large Bore Downpipe with Hi-Flow Sports Catalyst (Audi RS3 8V+8Y/RSQ3/TTRS MK3) BMW > 4 Series > F82/83 M4 Coupe/Convertible & M4 Competition Coupe�� (Non-OPF equipped models only) > 2014 to 2018 Delivering an even harder performance

Delivering an even harder performance edge to Audi's brilliant S3 Saloon is the new cobra sport performance exhaust

2mm) pipework and fit from the Gasoline Particulate Filter section backwards (GPF-back) this exhaust replaces the centre and rear sections

Audi A3 8P etc)

This exhaust is also sold with a de-cat option which is for motorsport and off road use only and will NOT be able to pass a UK MOT emissions test or police road side checks

Large Bore Downpipe with Hi-Flow Sports Catalyst (Audi RS3 8V+8Y/RSQ3/TTRS MK3) BMW > 4 Series > F82/83 M4 Coupe/Convertible & M4 Competition Coupe�� (Non-OPF equipped models only) > 2014 to 2018 Delivering an even harder performanceMilltek Sport Large Bore Downpipes are perfect when looking to improve both performance and sound. These downpipes are fabricated with a larger diameter than standard OEM parts, meaning that there is significantly more space for more gas to exit the engine and pass through, increasing efficiency. Combined with our Hi Flow Sports Cat, you can expect a significant increase in performance and a noticeable difference in sound aesthetic. Stage 2 ECU Remap