Overview
The Milltek Hi-Flow Sports Catalyst is a high-flow replacement for restrictive OEM catalytic converters, engineered to reduce exhaust gas flow resistance and unlock performance gains when paired with Stage 2+ ECU mapping.
Details
Constructed from T304L stainless steel with mandrel-bent tubing, the Milltek hi-flow cat maintains full emissions compliance while delivering measurably improved throttle response and midrange power. Direct factory fitment uses OEM mounting points—no modifications required. Requires Stage 2 ECU Remap for optimal results.
Engineered for enthusiasts who demand both performance and reliability. Hand-finished construction and precision engineering ensure longevity on both street and track.
Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.
