


IRL High Flow Resonated Downpipes
Dial in the flow and tone of your G8X exhaust with the IRL High Flow Resonator. Designed to free up airflow for better engine performance while delivering a clean, powerful sound.
Why it works
- High-flow design increases airflow for better performance
- Clean, powerful exhaust tone
- Pairs with your downpipe for even bigger results
Emissions disclaimer: This product is intended for off-road, race, or closed-course competition use only and is not legal for use on pollution-controlled vehicles operated on public roads in most states and provinces. You are responsible for compliance with all applicable emissions laws. Please check your local laws before purchase and installation.
Ships from our Vancouver shop — KORE SPEED is proudly Canadian-owned, with no surprise cross-border duties for Canadian buyers. Questions on fitment? Email support@korespeed.com.
Pairs well with

IRL High Flow Resonated Downpipes
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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