2025 Yamaha Grizzly 700 Jumps #yamahagrizzly #yamahagrizzly700 @ATVonDemand

Uploaded April 2025 | Updated September 2026, 5 days ago

2025 Yamaha Grizzly 700 Jumps

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$HMF Honda TRX250X 250EX Performance Series Exhaust and Jet Kit Test Review Looking to make the most of the little pushrod engine, we installed a Performance Series Exhaust from HMF. Constructed in the USA, HMF offers the Performance Series in a full system only for the 250X. It’s constructed of corrosion resistant stainless steel with a 4” 6063-T6 aluminum silencer shell. The silencer features a 2 1/8” core with a special hole pattern claimed to help increase power evenly throughout the RPM range. The exhaust comes with a USFS approved spark arrestor along with HMF’s quiet core insert. The Performance Series exhaust is said to increase sound output by 4-6db with the Quiet Core knocking sound output back down by 2-4db. There’s a detectable increase in throttle response. When you crack the gas, the engine feels a little more responsive and willing to build RPMs. We noticed an occasional pop at low RPMs when rolling off the gas, a sign that the pilot jet, which controls fuel delivery at lower RPMs, could stand to be a little larger. The rest of the RPM range ran flawlessly with the airbox lid off. If you ride in colder weather, going up a size or two on your pilot jet is highly recommended. For warmer weather, HMF’s jet kit is sufficient. Low-end power feels as strong as stock with plenty of grunt to get you rolling or to crawl up some pretty steep inclines. Midrange power seemed stronger than stock powering out of corners, but the best gains came in opening up the top -end. Racing down long straight sections of trail, we found ourselves often bouncing off the rev limiter, upshifting a while after the stock X would have fallen off. There’s added performance available across a much wider RPM range. The deep throaty sound also adds to the fun sport ATV experience without being annoyingly loud on longer rides. While it won’t turn your 250 into a 400, the HMF Performance Series Exhaust definitely helps up the fun factor on the 250X and EX. Conclusion After 8 or 9 rides, the entire exhaust, including the head pipe, looks virtually good as new. With a brushed finish, full system currently retailing for $349.95, HMF’s Performance Series exhaust is nearly identically priced to FMF’s PowerCore 4 Slip-on and is $100 - $200 less expensive than other full system options on the market. Blacked out with its red silencer shell for $449.95, our exhaust featured a custom look to match our machine and still cost less than some off-the-shelf exhausts. When you can actually feel the performance gains from an aftermarket exhaust, you feel like you got your money’s worth. When an exhaust leaves enough money in your pocket to go riding, that’s even better. Obviously, we are very happy with the HMF Performance Series exhaust for the Honda TRX250X and 250EX Manufacturer: HMF Item: Performance Series Exhaust for the Honda TRX250X and TRX250EX Price: $349.95 - $449.95 Contact: https://www.hmfracing.com$

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