GSC P-D Chrome Polished Super Alloy Exhaust Valve - 30.5mm Head(STD) - SET 8 - 4G63T Evo1-9 / DSM Wheel Size_18 inch They simply replace the stock

They simply replace the stock MAP sensor and plug into the stock harness

Fully-synthetic ester formula for passenger cars

Factory fit laser cut flanges and 2in dual piping has equivalent cross sectional area of a 2

and will provide exceptional idle and cruise behavior under these conditions

GSC P-D Chrome Polished Super Alloy Exhaust Valve - 30.5mm Head(STD) - SET 8 - 4G63T Evo1-9 / DSM Wheel Size_18 inch They simply replace the stockPart #: 2005 8 GSC Power Division is expanding its already successful valve line to now include a Super Alloy Exhaust valve. The new Super Alloy Exhaust valves were designed for engines used in extreme conditions. With advancements in manufacturing technology and metallurgy, GSC Power Division was able to design a blend of Super Alloys that can handle the immense heat and power levels of today's ultra high horsepower turbocharged and normally