HMF Grizzly 700 Titan (swamp) Series Exhaust and Fuel Optimizer Test

HMF's Titan Series Exhaust and Fuel Optimizer adds more power without regret for your generation 1 Yamaha Grizzly 700.

If you have an older Grizzly 700 and are looking for an increase in horsepower, a According to HMF’s dyno, the addition of an exhaust and Fuel Optimizer yields around 6.5% more horsepower, and 4% more torque to the generation 1 Grizzly engine. Additionally, the older Grizzly weighs 39 pounds less than the 2016. If you haven’t added a bunch of accessories, the older Grizzly looks to be to enjoys a power- to- weight advantage over the new Grizzly by simply swapping out the exhaust and adding a tuner.

Our gGeneration 1, 2010 model Grizzly 700 is outfitted with a number of accessories, including a switch from 25” to 26” tires. In reality, they’re more than an inch taller and heavier than stock. Taller tires make acceleration sluggish off the bottom and throw off the CVT’s shift points. To recalibrate our Grizzly’s CVT transmission, we installed an EPI Sport / Utility clutch kit, for 27-28” tires. Providing better acceleration, it slightly raises the RPM at which the clutch initially engages on takeoff, and lets the engine gain back the RPMs it loses from turning taller tires before upshifting. Still, running taller tires raises the ATV’s overall gearing impacting acceleration, and their heavier weight could actually decrease the machine’s top -speed. To gain acceleration and top speed, more horsepower is necessary, so we decided to put HMF’s Titan Series Eexhaust and Fuel Optimizer to the test.

Adding an HMF Titan Series Eexhaust and Fuel Optimizer to your older Grizzly 700 will close the power gap on the latest model Grizzly’s performance. Making more power, improving sound, keeping it quiet, and providing good, long-term durability make HMF’s Titan Series exhaust and Fuel Optimizer a horsepower upgrade without regret.

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