Honda Civic Type R (2023-) FL5 Milltek Downpipe

Milltek Sport Cast Downpipe with Race Catalyst – Honda Civic Type R FL5

Unlock maximum performance, sharper turbo response, and a more aggressive exhaust note with Milltek Sport’s cast stainless steel downpipe, featuring a 200-cell high-flow race catalytic converter. Specifically developed for the FL5 Civic Type R, this upgrade replaces the restrictive factory unit, allowing your 2.0L turbo engine to breathe and perform at its best.

🔧 Key Features

• Cast Stainless Steel Downpipe – Engineered for strength, optimal flow, and precise fitment.

• High-Flow 200-Cell Race Catalyst – Less restrictive than OEM cats, improving exhaust gas evacuation while maintaining basic emissions control for off-road use.

• Large-Bore 3” (76 mm) Design – Reduces backpressure, allowing for faster turbo spool, improved mid-range power, and smoother delivery across the rev range.

• Premium T304L Stainless Steel Construction – Durable, corrosion-resistant material for long-term reliability under high-heat, high-pressure conditions.

• Bolt-On Fitment – Designed for use with factory or aftermarket exhaust systems, offering a direct-replacement fit without major modification.

🏎 Performance Benefits

• Increased horsepower and torque potential

• Improved turbocharger efficiency and responsiveness

• More pronounced and aggressive engine note

• Ideal when paired with a Milltek cat-back system for a complete upgrade path

🚘 Vehicle Compatibility

• Honda Civic Type R (FL5 Chassis)

• Model Years: 2022–Present

• Engine: 2.0L Turbocharged (K20C1)

• Compatible with both OPF/GPF and non-OPF/GPF models depending on region

⚠️ Important Notes

• Not road legal in emissions-regulated regions – designed for track or off-road use only

• Stage 2 ECU tune required – to prevent check engine lights and optimize performance

• May trigger emissions-related warnings without proper software adjustments