These manifolds have 25% Thicker walls than the crack-prone factory manifolds
not all 4340 chromoly is the same
This Momentum GT intake system was designed around the largest filter possible to allow maximum performance and filtration
The Kompact Shortie Blow-Off Valve for the Focus RS has been developed with the Focus's high boost pressure in mind to improve performance and durability
75" diameter Borla(r) Cat-Back(tm) system for the Civic Type R contains an Active Exhaust Valve that allow your vehicle to retain the factory designed valve operation
Whiteline KCA472 SERVICE KIT - Ball Joint Boot Set 1996-nissan-quest-esi1094862 These manifolds have 25% ThickerWhiteline bushings are made tough and offer outstanding abrasion resistance, high load bearing capability (4WD? s, utes and towing), flexibility, increased tensile strength and chemical resistance to oil, grease, ozone and weathering.