Manufactured from highest quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability Free flowing to get the most from the Ca18DET engines 3" Downpipe and decat designed to fit with a 3" catback system

Gravity Performance manifolds are designed to be direct replacements for OEM manifolds, ensuring smooth installation every time. Our manifolds improve the collection of gasses from the cylinder heads, before routing them through them to the rest of the system. Manufactured from highest quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability CNC machined flanges for strong, solid support and an accurate fit 4-1 design for maximum gains at the top end of the rev range Direct replacement with both gaskets included

Gravity Performance decats are made to completely replace the stock catalytic converter eliminating all restrictions. Our Performance decats improve throttle response and allow for improved exhaust flow increasing power and torque. Manufactured from high quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability 3" Bore for maximum exhaust flow but resonated to limit noise levels Free flowing catalyst replacement to get the most from the 5 cylinder powerplant

Manufactured from highest quality T304 grade stainless steel Free flowing catalyst replacement to get the most from the 3.0 S55 engine 3" Design to improve power and torque across the entire RPM range Designed to be a direct replacement for the OEM catalytic converter Noticeably improves throttle response

Manufactured from high quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability Removes the restrictive catalytic converter to increase horsepower capabilities Two flexis to reduce strain on the exhaust system Designed to be a direct replacement for the original y pipe