




Exhaust Catless DownPipe Upgrade - 17-23+ Civic Type R FK8 & FL5, 23+ Integra Type S DE5
Maximize performance and unlock the full potential of your turbocharged K20C1 engine with our Catless Exhaust Downpipe Upgrade, engineered for the latest high-performance Honda and Acura platforms. Designed for track-focused builds and serious street enthusiasts, this downpipe dramatically improves exhaust flow, turbo response, and overall power output.
Constructed with race-grade materials and precision welding, this is a critical upgrade for any Civic Type R or Integra Type S pushing beyond factory limits.
Key Features:
- 
Catless, Free-Flowing Design 
 Eliminates the restrictive factory catalytic converter for maximum exhaust flow, lower backpressure, and faster turbo spool.
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Significant Horsepower & Torque Gains 
 Gains of +15–25 HP on stock tune and up to +40+ HP with ECU tuning, especially in mid-to-high RPM ranges.
- 
304 Stainless Steel Construction 
 Mandrel-bent and TIG-welded using corrosion-resistant T304 stainless steel to withstand extreme temperatures and conditions.
- 
Smooth Mandrel Bends 
 Ensures uninterrupted exhaust flow and improved turbo efficiency compared to OEM cast or crimped designs.
- 
CNC Machined Turbo Flange & O2 Sensor Ports 
 Perfect fitment with OEM or aftermarket turbos. Retains all factory O2 sensor locations for proper monitoring and ECU function.
- 
Bolt-On Installation 
 Direct-fit upgrade with no cutting or welding required. Compatible with OEM and most aftermarket front pipes.
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Track Use Only 
 Designed for off-road and track applications—removal of catalytic converter is not emissions-legal in all jurisdictions.
Vehicle Compatibility:
- 
2017–2021 Honda Civic Type R (FK8) – 2.0L Turbo K20C1 
- 
2023+ Honda Civic Type R (FL5) – 2.0L Turbo K20C1 
- 
2023+ Acura Integra Type S (DE5) – 2.0L Turbo K20C1 
Pair this with a high-flow front pipe and a proper ECU tune for maximum gains. For competitive track use, this downpipe is one of the most effective power mods available for the K20C1 platform.
Would you like a catted version or heat-wrapped option included in the listing?
If a product is in stock, it’s usually delivered within 2–10 days, depending on your location.
If a product is made to order, production takes approximately 2–4 weeks, followed by 1–3 weeks for delivery, depending on your location.
We can always arrange faster air shipping upon request — please contact us for an individual quote.
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