but they left so much airflow on the table

Increased horsepower capacity

this manifold works perfectly with stock

The machining process and is top notch for a superior finish

M 8000 Hardcore 162 2019

Big Bore Stroker + Air Extreme / Pro r Core Options:By Engine Outright but they left so muchThe Bikeman Performance Crate Engine provides the ultimate performance and reliability for your Pro R RZR. This 2. 3L Naturally Aspirated engine offers a smooth idle and daily drivable manners. When you are ready to roll into the throttle, the engine is full of low end punch and comes to life in the high RPM's. The high flow CNC cylinder head and high lift camshaft allow this engine to accelerate its 395hp aggressively to 9000 rpm. Lean into the