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- USA
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
Big Gun 09-14 Yamaha YFZ 450R/450X 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
4.5 ★★★★★
Based on 2036 reviews
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Product Reviews
★★★★★ 5
good
Format: Paperback
I really like this product.
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Reviewed in the United States on July 10, 2025
★★★★★ 5
Student
Excellent , easy reading
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Reviewed in the United States on December 29, 2024
★★★★★ 5
DNP class
Needed textbook for one of my last DNP classes. Great price. Arrived quickly.
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Reviewed in the United States on August 4, 2024
★★★★★ 5
Excellent book
I bought this book for school. It is not a difficult read and I learned so much from it.
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Reviewed in the United States on May 27, 2023
★★★★★ 5
Very clear and easy to understand without too many technical jargons.
I like the author’s writing styles which are clear, direct and easy to understand.
I also like the list of addition resources such as Tictoc, YouTube videos and other online media.
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Reviewed in the United States on June 15, 2022