Borla CrateMuffler S-Type Big Block Chevrolet Stock Output 396/402/427 V8. - 400854 Intake Manifolds Significantly improves daily trunk usability

Significantly improves daily trunk usability

Completely eliminating the turbulent center intersection of a standard X-Pipe

Its auxiliary air inlet is used to bring in additional air from the engine compartment

The K&N 57-1133 cold air intake system replaces the factory air filter and air intake housing in many Polaris Ranger RZR models for a guaranteed increase in horsepower and torque

Borla CrateMuffler S-Type Big Block Chevrolet Stock Output 396/402/427 V8. - 400854 Intake Manifolds Significantly improves daily trunk usabilityBORLA(r)'s CrateMuffler(r) is the world's first muffler purpose built to optimize the sound & power of crate and custom built motors. The mufflers are directional. The outlet can be identified by the mounting bracket welded to the endcap. This muffler is tuned for the Chevrolet Big Block 396 402 427 CID V8 engine family. The directional design provides the aggresssive ATAK(r) sound and will dramatically reduce, or eliminate drone on specified