MilltekHi-Flow Sports CatalystFitment: Performance Cat

Overview

The Milltek Hi-Flow Sports Catalyst is a direct replacement for restrictive OEM catalytic converters. By reducing back-pressure and improving exhaust gas flow, this mandrel-bent T304L stainless steel catalyst unlocks performance gains on turbocharged and naturally aspirated engines while maintaining emissions compliance.

Hand-finished construction and precision engineering deliver measurable dyno gains when paired with a Stage 2 ECU remap. Compatible with Milltek cat-back and turbo-back exhaust systems for seamless integration.

Details

Key Features:

• T304L stainless steel construction, mandrel-bent for optimal flow
• Reduces OEM restriction and back-pressure
• Dyno-proven performance improvement
• Hand-finished to OEM+ fitment standards
• Requires Stage 2 ECU remap for optimal results
• Direct factory fitment — no modification required

Engineered to Exhilarate. Milltek Hi-Flow Sports Catalysts are precision-engineered components that deliver real performance without compromise on fitment or longevity.

Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Fitment