Thermal CL Exhaust

Thermal CL Exhaust
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    Thermal R&D exhausts are manufactured in the United States and backed by our lifetime warranty. For years, one of the most popular brands in the subcompact market we have spent several years designing new systems available here soon!

    Thermal Exhaust - CL Exhaust 

    When Honda rolled out its new 2.4L engine for the 9th Generation Si, Thermal RD Exhaust had to step up as well. We ultimately wanted to make certain that we engineered a system that offered top of the line sound in this catback exhaust system for the 9th Generation Civic Si. The 2.5; system is made of T304 Stainless Steel with a resonated Midpipe and the now signature Thermal Helmholtz chamber. This sound control combination was engineered to achieve the desired tone at launch and acceleration, while cancelling the dreaded drone during cruising.

    The 4.5 angle cut tip completes the Thermal variation on the 9th Gen exhaust. Available in both 4 door and coupe, the system tubing is brush finished while mufflers and tip are polished. Hangers mount up to the OEM allowing for and easy direct fit install. 

    • 2.5 T304 Stainless Steel Catback System,
    • Mounts to OEM catalytic converter.
    • Utilized OEM Hangers, Tip Fits OEM Valance
    • Brush finish tubing, polished tip and resonators
    • 4.5 Angle cut tip


    • Part Number: B180-C180
    • Manufacturer: Thermal Exhaust
    • Size: 2.50 inch (63.50 mm)

    Vehicle Fitment

    Honda Civic
    2012 Honda Civic Si Sedan
    2013 Honda Civic Si Sedan
    2014 Honda Civic Si Sedan
    2015 Honda Civic Si Sedan

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