Overview
The Milltek Cat Back Hi-Flow Sports Cat is a T304L stainless steel secondary catalytic converter engineered for the VW Golf MK4 R32. Direct factory fitment with OEM+ integration—no modification required. Mandrel-bent construction optimizes exhaust scavenging for measurable dyno gains in horsepower and torque.
Hand-finished T304L stainless steel with 1.87" (47.62 mm) bore diameter. CNC-formed collector for precise flow dynamics. Requires Milltek Cat-Back system for complete fitment. Stage 2 ECU software recommended to unlock full performance potential. Emissions compliant high-flow design maintains environmental standards while delivering improved power delivery across the rev range.
Details
- T304L stainless steel construction—hand-finished for durability
- Mandrel-bent piping for optimized exhaust scavenging
- Direct fitment: VW Golf MK4 R32 with OEM hangers
- Fits Milltek Cat-Back systems only
- 1.87" bore diameter for enhanced flow
- Engineered tone character through precise resonance tuning
This hi-flow sports cat is precision-manufactured in T304L stainless with the same attention to detail as our complete systems—tested for fitment accuracy and acoustic performance.
Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.
Fitment
| Years | Make | Model | Engine Family | Engine | Trim |
|---|---|---|---|---|---|
| 1999-2005 | Volkswagen | Golf | 2.0 / 1.8T / VR6 | All |
