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Thermal R&D B189-C189 Frontpipe-Back Exhaust — 2018-2022 Honda Accord Sport 2.0T
The Thermal R&D B189-C189 is a frontpipe-back exhaust system built for the 2018 through 2022 Honda Accord Sport equipped with the 2.0L turbocharged four-cylinder engine. Fabricated at Thermal R&D's Lancaster, California facility from T304 stainless steel, the B189-C189 replaces the factory system from the frontpipe connection rearward. Thermal R&D's patented Helmholtz resonator technology is calibrated to the Accord 2.0T's specific exhaust pulse frequencies to eliminate drone at highway speeds while delivering a sport-tuned, aggressive exhaust note at wide-open throttle. Installation is direct bolt-on with no vehicle modifications required.
Key Features
- Frontpipe-back system replacing factory exhaust from turbo outlet rearward
- T304 stainless steel mandrel-bent construction
- Patented Helmholtz resonator tuned for Accord 2.0T
- Polished stainless exhaust tips
- Fits 2018-2022 Honda Accord Sport 2.0T
- Direct bolt-on installation
- Made in Lancaster, California, USA
What's Included
- Thermal R&D B189-C189 frontpipe-back exhaust assembly
- Polished stainless exhaust tips
- OEM-style mounting hardware and gaskets
- Installation instructions
Specifications
| Specification | Detail |
|---|---|
| MPN / Part Number | B189-C189 |
| UPC | Registered with Thermal R&D |
| Material | T304 Stainless Steel |
| Tip Finish | Polished Stainless Steel |
| System Type | Frontpipe-Back |
| Fitment | 2018-2022 Honda Accord Sport 2.0T |
| Installation | Direct bolt-on |
| Country of Origin | Made in Lancaster, CA USA |
| Warranty | Limited Lifetime to original vehicle owner |
Frequently Asked Questions
-
What years and trim level does B189-C189 fit?
The B189-C189 fits the 2018 through 2022 Honda Accord Sport with the 2.0L turbocharged engine. -
What is the difference between B189-C189 and B188-C188?
The B189-C189 is engineered for the Accord Sport 2.0T; the B188-C188 is for the Accord Sport 1.5T. The two engines have different exhaust routing and the systems are not interchangeable. -
Will the B189-C189 drone inside the cabin?
No. The Helmholtz resonator in the B189-C189 is calibrated specifically to the 2.0T's exhaust pulse characteristics to cancel drone frequencies at highway cruising speeds. -
Is this a bolt-on installation?
Yes. The B189-C189 connects to factory connection points with no cutting, welding, or drilling required. -
Does it include the frontpipe?
Yes. The B189-C189 is a complete frontpipe-back system from the turbo outlet rearward. -
Does this require a tune?
No tune is required for installation on a stock Accord Sport 2.0T. -
Where is the B189-C189 manufactured?
Lancaster, California, USA by Thermal R&D. -
What warranty is included?
Limited Lifetime warranty to the original vehicle owner, non-transferable, excluding commercial and racing use.
Installation Instructions
Lift and support the Accord safely. Remove the factory frontpipe and catback. Install the B189-C189 beginning at the frontpipe connection to the turbo outlet, route rearward using the supplied OEM-style hangers, align the polished tips, and torque all hardware to specification. Install time approximately 90 minutes. Full written instructions included.
Prop 65 Warning
WARNING: This product can expose you to chemicals including chromium and nickel compounds from combustion exhaust, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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