SKU: 99289795334

1999-2004 TRX 400EX Rev Box (BIG40-R01)

Sale price$166.49 Regular price$184.99
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Ships within 48 hours · Estimated delivery Oct 2 - Oct 7

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Description

1999-2004 TRX 400EX Rev Box (BIG40-R01)The Big Gun Rev Box for the Honda TRX 400EX is a high performance electronic upgrade designed to unlock the full potential of your engine. As an affordable alternative to expensive OEM replacement CDI boxes, this unit is engineered to provide a more aggressive power delivery. By increasing the overall RPM limit and advancing the timing curve, the Big Gun Rev Box allows your engine to pull harder for longer, providing a noticeable boost in top end

The Big Gun Rev Box for the Honda TRX 400EX is a high-performance electronic upgrade designed to unlock the full potential of your engine. As an affordable alternative to expensive OEM replacement CDI boxes, this unit is engineered to provide a more aggressive power delivery. By increasing the overall RPM limit and advancing the timing curve, the Big Gun Rev Box allows your engine to pull harder for longer, providing a noticeable boost in top-end speed and acceleration.

Features
  • Increased RPM Limit: Raises the factory rev ceiling, allowing the engine to reach higher RPMs before the limiter engages.
  • Advanced Timing Curve: Optimizes ignition timing to provide improved throttle response and increased horsepower throughout the rev range.
  • Cost-Effective Performance: Offers a significant performance gain at a fraction of the cost of many factory replacement electronic components.
  • Plug-and-Play Installation: Designed to easily replace the stock CDI box for a straightforward performance upgrade.
  • Enhanced Power Delivery: Specifically tuned to work with both stock and modified engines to maximize power output.
Notes
  • Direct replacement for the factory CDI/Rev box.
  • Optimized for the Honda TRX 400EX (1999-2004) ignition system.
  • Works best when paired with a high-flow exhaust and air filter for maximum performance.

The Big Gun Rev Box for the Honda TRX 400EX is a high-performance electronic upgrade designed to unlock the full potential of your engine. As an affordable alternative to expensive OEM replacement CDI boxes, this unit is engineered to provide a more aggressive power delivery. By increasing the overall RPM limit and advancing the timing curve, the Big Gun Rev Box allows your engine to pull harder for longer, providing a noticeable boost in top-end speed and acceleration.

Features
  • Increased RPM Limit: Raises the factory rev ceiling, allowing the engine to reach higher RPMs before the limiter engages.
  • Advanced Timing Curve: Optimizes ignition timing to provide improved throttle response and increased horsepower throughout the rev range.
  • Cost-Effective Performance: Offers a significant performance gain at a fraction of the cost of many factory replacement electronic components.
  • Plug-and-Play Installation: Designed to easily replace the stock CDI box for a straightforward performance upgrade.
  • Enhanced Power Delivery: Specifically tuned to work with both stock and modified engines to maximize power output.
Notes
  • Direct replacement for the factory CDI/Rev box.
  • Optimized for the Honda TRX 400EX (1999-2004) ignition system.
  • Works best when paired with a high-flow exhaust and air filter for maximum performance.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 99289795334

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4.5 ★★★★★
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Verified Purchase
Natalia Arlashina
Belleville, US
★★★★★ 5
beautiful and high-quality jewelry box
Amazing jewelry box of good quality. color - exactly as in the photo (mine is olive). High-quality interior decoration. Everything as in the seller's photo. Highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2025
K
Verified Purchase
Katie Roberts
Chelsea, US
★★★★★ 5
Functional gift.
Used as an engraving project with our laser printer. Worked well, would make a great gift for bridesmaids etc.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 14, 2025
K
Verified Purchase
Kuv Lover
Louisville, US
★★★★★ 5
Beautiful, Sturdy, Excellent Customer Service!!
Size: 6 Tier, Color: White
Excellent quality item, and beyond outstanding customer service! This jewelry case is very thoughtfully configured, to accommodate various sizes and shapes of jewelry. I purchased this primarily to keep my fine gold chains entangled, and there are numerous velvet hooks, with pockets below to do this. The dividers are not removable, but because there six drawers with difference size choices, it was not an issue, tho some customers may have that question. The watch band bolsters, however, ARE removable. I chose the cream color case with tan/gold interior velvet lining. BUT, the lining, in my view, looks actually to be dusty rose/mauve in color. Not a screaming pink, a bit subtle, but it doesn't look tan as in the photo. Just FYI, in case the interior color is a big deal for you. But the exterior light cream is just as pictured, and is beautiful! Regarding the customer service for this company, I contacted them prior to and after purchase. They responded very quickly, and were clear and articulate in answering my questions / addressing my concerns Thank you!
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Reviewed in the United States on May 16, 2025
M
Verified Purchase
Mary C.
Carnegie, US
★★★★★ 5
Holds lots of jewelry
Size: 6 Tier, Color: White
Wonderful jewelry box!! the drawer slide very easily, and I love all the compartments!!!
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Reviewed in the United States on May 10, 2026
M
Verified Purchase
Mathew Roth
Whiting, US
★★★★★ 5
Good quality and easy gift
Size: 6 Tier, Color: Jelly Pink
This came with some scratches to the metal. Other than that the organization and versatility of this item is amazing. My wife loves it and it cleared up a lot of room for more jewelry. Which could’ve been a mistake for myself lol. I recommend this as a gift for your wife!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026

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