Velocity Stack, Aluminum - 4.00" Inlet - Silver - VS400-SIL Head Gasket spring-centered race disc features a

spring-centered race disc features a spring-center construction to properly damp torsional vibrations and resist failure under harsh conditions

featuring the same high-quality specifications as our more comprehensive Mega Power Exhaust Systems

This kit is offered with either a silver or stealth black cooler and features a lifetime warranty

This could potentially cause engine seizure

Velocity Stack, Aluminum - 4.00" Inlet - Silver - VS400-SIL Head Gasket spring-centered race disc features aThese lightweight aluminum velocity stacks are perfect to optimize air flow into your vehicles intake pipe or turbo inlet. Made from 1070 aluminum alloy and anodized.