MO
Milltek Hi-Flow Sports Cat | Performance Catalyst
SKU: SSXMTK001
Description
The Milltek Hi-Flow Sports Catalyst is a direct replacement for OEM restrictive catalytic converters. OEM units are engineered for emissions compliance, not flow. This T304L stainless steel sports cat reduces backpressure while maintaining emissions legality, unlocking performance gains across the RPM range.
Hand-finished construction with optimized catalyst substrate geometry. Requires Stage 2 ECU remap to realize full potential. Direct OEM bolt-on fitment with no modification required.
Key Features
- T304L stainless steel construction
- High-flow catalyst substrate
- OEM bolt-on fitment
- Dyno-tested performance gains
- EC certified for emissions compliance
- Stage 2 ECU remap recommended
Engineered to Exhilarate — Milltek performance catalysts deliver measurable horsepower and torque gains while maintaining street legality and OEM fitment integrity.
Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.
Key Facts
| Pipe Diameter | 58.00 |
| 0 hours to fit (including removing OE system) | |
| Race Product | Yes |
| EMarked | No |
Shipping Information
This system ships in 1 box.
Best Sellers
Milltek Road+ Cat-Back Exhaust | VW Golf MK7.5 GTI
SSXVW470MP
Total
$1735.54
$1405.79
$1735.54
$1405.79
Milltek Race 80mm Cat-Back Exhaust | VW Golf MK8 GTI
SSXVW681MP
Total
$1448.78
$1173.51
$1448.78
$1173.51
MO
Milltek Secondary Catalyst Bypass (Fits to OE System Only) | Porsche Cayenne 958 Turbo 4.8 V8 (Pre-Facelift)
SSXPO182
Total
$492.20
$398.68
$492.20
$398.68
MO
Milltek Valved & Non-Resonated Cat-Back Exhaust | Toyota GR Corolla 1.6T
SSXTY151MP
Total
$4272.51
$3460.73
$4272.51
$3460.73
EC
Milltek OPF/GPF Back Exhaust | Land Rover Defender 130 P300 P400e - Burnt Titanium Tips
SSXLR217
Total
$3710.76
$3005.71
$3710.76
$3005.71
Milltek Secondary Catalyst Bypass (Fits to OE System Only) | Porsche 958 Cayenne S 4.8 V8 (Non-Turbo)
SSXPO204
Total
$492.20
$398.68
$492.20
$398.68
Milltek Secondary Catalyst Bypass Exhaust | Ford Maverick 2.0T AWD
SSXFD547MP
Total
$202.98
$164.41
$202.98
$164.41
Milltek Secondary Cat-Back with Side Exit | Ford Maverick 2.0T AWD
SSXFD545MP
Total
$888.51
$719.69
$888.51
$719.69
Milltek Resonated Cat-Back Exhaust | VW Golf MK7 Alltrack 1.8TSI-Titanium Tips
SSXVW754
Total
$2111.11
$1710.00
$2111.11
$1710.00
Milltek HJS Hi-Flow Sports Cat (w/ Heat Wrap) | Chevrolet C8 Corvette Z06
SSXCH111
Total
$3321.28
$2690.24
$3321.28
$2690.24