Audi TTS MK3 Non GPF models - Large Bore Downpipe with Hi-Flow Sports Catalyst (For Milltek Cat-Back) BMW > 1 Series > 135i Coupe�� E82 and Cabriolet E88 (N55) > 2010 to 2012 This cosmetic performance exhaust upgrade

This cosmetic performance exhaust upgrade is focused on improving the styling of the 425d

replacing the GPF exhaust section

The Cobra Sport research and development team quickly made the decision to base the new M4 exhaust systems on 3" (76

These performance exhausts are made in 2"/50

Estate & Coupe Models

Audi TTS MK3 Non GPF models - Large Bore Downpipe with Hi-Flow Sports Catalyst (For Milltek Cat-Back) BMW > 1 Series > 135i Coupe�� E82 and Cabriolet E88 (N55) > 2010 to 2012 This cosmetic performance exhaust upgradeFor fitment with Milltek Sport Cat Back System only Requires a Stage 2 ECU remap Milltek 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