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Grizzly 550 (08-12) select "More Info" for available systems

The engine of the Yamaha Grizzly 550 EFI used the 700cc engine as its base. With redesigning the head and flow technology the engineers gained new power for the 558cc engine. When we installed our slip on exhaust lineup, we were able to pick up 8% more horse power with the Utility Series. We got insane numbers on the dyno chart with the Swamp/Swamp XL Slip On installed on the 550. If your a serious mudder, you can attach the Swamp Snorkel to the Swamp/Swamp XL series for deep, muddy waters.
Item #: grizzly 550
Availability: In Stock
Usually ships In 1-2 Business Days

Price: $249.99



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    Inlcudes a USFS Approved Spark Arrester. Includes a 2 Year Limited Manufacturer’s Warranty. Is made of high quality Aluminum, Stainless Steel, or Carbon Kevlar. Packed with high performance glass wool packing. Includes Installation Instructions. Manufactured in the U.S.A.
    The HMF Performance Series has a specially designed, unrestricted core that allows the exhaust to increase power evenly throughout the entire power curve. It also features the signature HMF sound with industry-leading end cap and color options, giving you a completely custom look.
    Backed by ATV legend Mike Penland, the Penland Series was developed for serious off road racers and trail riders striving to achieve more low end torque. The Penland features the same core as the Performance Series, but features the removable TRM that allows quads to hook-up in rough conditions.
    You need it, we have it

    PerformanceATVparts.com has thousands of products, not all available on this site. If you don't see what you're looking for, just give us a call at 409.697.1330. We don't just sell ATV parts, we ride, so nobody knows what you need better than us. We are your #1 supplier of ATV lift kits, ATV snorkel kits, ATV tires, ATV wheels and rims, ATV and UTV axles, ATV exhaust systems, ATV and UTV accessories, and everything else you need to get it in the mud. At PerformanceATVparts.com, we don't just sell ATV parts, we ride, so nobody knows what you need better than us. We are your #1 supplier of ATV lift kits, ATV snorkel kits, ATV tires, ATV wheels and rims, ATV and UTV axles, ATV exhaust systems, ATV and UTV accessories, and everything else you need to get it in the mud...