we would need to replace them at the same time

Exhaust: BMP Performance Exhaust

Additional tunes are $50 each

By bolting on this version it allows you to lean out your machine with a fuel controller and pick up 5-6 safe horsepower

Air Intake Big / Matryx 100049 Category_Default Category/SLED/Clutching/Yamaha Sled Clutching we would need to replaceUpgrade your Polaris Patriot Boost, 9r, and 850 with a BIG air Intake. Boost your power and improve air flow with this modification for optimal results. Elevate your ride to the next level and dominate any terrain. Get ready for an unbeatable riding experience. This modification is a must have for any matryx snowmobile. These machines are highly susceptible to powder bog in deep snow, especially big power machines. This happens when the air intakes