Big Gun 99-04 Honda TRX400EX Rev Box
- 30 Day Returns
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- Low stock - 1 item left
- Backordered, shipping soon
Product Overview
If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM replacement boxes. It increases the overall RPM limit over the stock box and advances the timing curve.
Product Details
- Brand: Big Gun Exhaust
- Part Number: 40-R01
- Product Type: Rev Box
- Vehicle Type: Powersports vehicle
Vehicle Fitment
Use the table below to confirm the exact year and model. Submodel and exhaust-configuration differences can affect compatibility.
| Year | Make | Model |
|---|---|---|
| 1999 | Honda | TRX400EX |
| 2000 | Honda | TRX400EX |
| 2001 | Honda | TRX400EX Sportrax |
| 2002 | Honda | TRX400EX Sportrax |
| 2003 | Honda | TRX400EX Sportrax |
| 2004 | Honda | TRX400EX Sportrax |
Order with confidence from Steel Steeds
Need help confirming fitment? Send us your year, make, model, and current exhaust setup. Our team is happy to help you choose the correct part before ordering.
Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–4 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!
We are committed to providing quality products and stand behind our items with a warranty. Exact coverage may vary, so please refer to our warranty page for more details!