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Two Step Performance

TSP High Efficiency Downpipe | 16-21 Civic 1.5T, Si

TSP High Efficiency Downpipe | 16-21 Civic 1.5T, Si

Prix habituel $899.99 USD
Prix habituel $899.99 USD Prix soldé $899.99 USD
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Fits:

  • 2016 - 2021 Honda Civic 1.5T
  • 2017 - 2020 Honda Civic Si

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Notes:

  • 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

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    T
    Tony Tran
    Downpipe

    Updated after Humza accommodated me from unity performance. There was an initial miscommunication between the finishes, grade, and prices of the product; unity performance has clarify things and went out their way to make things right.

    Thank You Tony! Hope you are enjoying the DP, and apologies for the earlier confusion