K&N 57-3103 Performance Air Intake System for CHEVROLET Silverado 1500 4.3L ymm_7 ST 13210040 Coilovers ST X

ST 13210040 Coilovers ST X galvanized steel (with fixed damping)

eliminating weak points and turbulence for optimal flow characteristics

Spring 65mm ID / 200mm Length / 160 N/mm

Reduces carbon buildup on throttle and intake manifold

Purpose-built for endurance motorsport applications

K&N 57-3103 Performance Air Intake System for CHEVROLET Silverado 1500 4.3L ymm_7 ST 13210040 Coilovers ST XThe K&N 57 3103 FIPK air intake system replaces the restrictive factory air filter and air intake tubing while retaining the factory air box on select Chevrolet and GMC models. K&N air intakes are designed to dramatically reduce air intake restriction as they smooth and straighten air flow for a guaranteed horsepower gain. This allows your engine to inhale a larger amount of air than the factory air filter and air intake assembly. More air means more