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.

• 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.

• 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 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
  
  2018 - 2022 Honda Accord – 2.0T
  
  

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.