Audi TTRS MK2 2.5L - Resonated (Quieter) Cat Back Exhaust System - Uses OE Trims) Model_420i (F33) 13-20 Stoich Ratio: 14

Stoich Ratio: 14

A 33% overall increase in the gauge face display makes it easier to see at a glance

The F56 LCI has an aggressive stance on the road

This VW Golf GTI performance exhaust is made in 2

Black silicone coupler

Audi TTRS MK2 2.5L - Resonated (Quieter) Cat Back Exhaust System - Uses OE Trims) Model_420i (F33) 13-20 Stoich Ratio: 14Some vehicles sport two catalysts due to their dual pipe assembly. The Secondary Catalyst Bypass pipe removes the secondary catalysst to further improve gas flow and reduce the restrictions caused by catalysts within the exhaust system. All our performance exhaust systems are designed with you in mind, and we cater to an ever expanding range of vehicles. We believe in continuous evolution, and our research & development team work throughout the year