Exhaust› Exhaust Pipes, Systems and Components
Two Brothers Racing
Grom SR1 Carbon Fiber Exhaust System
SKU: Grom-53740105S1
Moderate — 2–4 hours
Description
This exhaust features an innovative new design with a lightweight spiral wound perforated core and high-performance sound absorption packing material. It aims to increase horsepower by 10 percent and reduce weight by 5.5 pounds compared to the stock exhaust. The system is compatible with the stock fender setup and most fender eliminator kits.
Fitment
Fitment Guaranteed
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Two Brothers Racing |
| Part Number | Grom-53740105S1 |
| Category | Exhaust |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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