Supertech Mazda 1.8L Exhaust Valve Guide - Set of 8 turn14-oos preventing it from entering back

preventing it from entering back into your intake where it would collect on the back of the intake valves and gunk up the inside of your engine

Manufacturer Part # : 100-60-0140

BORLA®'S patented SwitchFire® design truly blends the combustion pulses from both sides of the engine for improved performance and a custom sound

The filter is protected from warm air within the engine bay by a laser cut heat shield and the air box is force fed fresh air from the replacement guide

Manufacturer Part # : 352200AC

Supertech Mazda 1.8L Exhaust Valve Guide - Set of 8 turn14-oos preventing it from entering backManufacturer Part # : GDE MA16 EI 8 Product Description Short Supertech Mazda 1. 8L Exhaust Valve Guide Set of 8