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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
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Description
Big Gun 09-15 Yamaha GRIZZLY 550 Power BoxThe Big Guns TFI (Throttle and Fuel Injection) Power Box delivers an effortless performance boost by optimizing throttle mapping and fuel delivery. Simple to install and tuned for broad compatibility, this plug and play module sharpens throttle response, smooths power delivery, and enhances mid range torque, all without sacrificing reliability. Designed with durability in mind, the TFI Power Box features rugged construction and weather resistant
The Big Guns TFI (Throttle and Fuel Injection) Power Box delivers an effortless performance boost by optimizing throttle mapping and fuel delivery. Simple to install and tuned for broad compatibility, this plug-and-play module sharpens throttle response, smooths power delivery, and enhances mid-range torque, all without sacrificing reliability. Designed with durability in mind, the TFI Power Box features rugged construction and weather-resistant sealing to withstand tough conditions.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Good product actually works for Honda
These actually fit Hondas for the parts that you need to have pop outs these fit legitimately worth of every every cent
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Reviewed in the United States on May 15, 2026
★★★★★ 4
Fit on 2008 Honda crv
Fit good on my 2008 Honda crv.
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Reviewed in the United States on November 13, 2025
★★★★★ 5
Perfect fit
Work great they are ecact
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Fits perfectly
Fit perfectly on my 2007 Honda Civic. Clips are sturdy. Easy to install and stay securely in place. Plenty of extras for future jobs.
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Reviewed in the United States on April 11, 2026
★★★★★ 3
Good price
Did not fit my Lexus as said. I’ll just keep them because they are inexpensive
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Reviewed in the United States on October 17, 2025
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