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Two Step Performance

TSP High Volume Downpipe | 22+ Civic 1.5T, Si, 23+ Integra

TSP High Volume Downpipe | 22+ Civic 1.5T, Si, 23+ Integra

Precio habitual $899.99 USD
Precio habitual $899.99 USD Precio de oferta $899.99 USD
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  • 2022+ Honda Civic trims with the 1.5T engine
  • 2022+ Honda Civic Si
  • 2023+ Acura Integra



  • No ECU calibration or tune is required, use of this downpipe will NOT result in a check engine light!
  • This downpipe utilizes a 4.5" 400 cell count EPA compliant GESI G-Sport catalytic converter, for use up to 850hp.
  • This downpipe is compatible with factory and/or most aftermarket front pipes, no adapter necessary.

Research and testing has shown that a downpipe upgrade is one of the most effective modifications to perform when looking to increase efficiency out of Honda's 1.5L turbo engine. Our High Efficiency downpipe upgrade promotes optimal airflow with virtually no turbulence throughout the body of the downpipe.

TSP's design utilizes 304 stainless steel investment cast ends, CNC pocketed for a smooth transition to a 4.5" OD, 400 CPSI GESi G-Sport catalytic converter for the middle body. This 4.5" OD catalytic converter was formulated for small displacement direct injection vehicles and offers optimal exhaust flow. All components are fully back-purged on site to withstand high exhaust gas temperatures. The wide shape of the cast inlet smoothly blends the turbine outlet and wastegate gases to reduce restriction, while the cast outlet allows smooth taper to aftermarket and/or factory front pipe. All kits will include gaskets, stainless hardware, and components needed for a seamless installation.

Exhaust components that may become damaged over time from being coated, heat wrapped or otherwise insulated in some capacity are not covered under the Manufacturer's Warranty. Insulating these components can cause heat to cause degradation of the material faster than would normally occur.

Performance Gains:

  • Increased power and exhaust flow throughout the entire powerband
  • Decreased backpressure & cooler exhaust gas temperatures

Kit Includes:

  • Downpipe Assembly
  • Downpipe Hardware (Grade 5 Titanium)
  • Lower Gasket
  • O2 Sensor Harness Extension
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    Customer Reviews

    Based on 1 review
    Adam Patel
    Overall Best DP on the Market

    No CEL, GESI CAT, Titanium Hardware included, what else is there to say... The turbo spools faster, there's noticeable bump in power, especially in the mid to top end. Big shoutout to Andrew with the install as well, pair this with a PRL frontpipe and it absolutely changes how the car sounds and feels!