1998-2002 GM LS1 F BODY 1-3/4 LONG TUBE HEADERS (TITANIUM CERAMIC) 25 mm Oversize - Coated

25 mm Oversize - Coated - Nissan 4-Cylinder - Kit

764 in Oval Port - Multi-Layer Steel - GM GenV LT-Series - Pair

Throttle Body Spacer - Poweraid - 1 in Thick - Gasket / Hardware - Aluminum - Black Anodized - Mopar Small Block / V6 - Dodge Ram Fullsize Truck 1994-2003 - Each

Power Valve - High Flow - Four Door - Single Stage - 6

They should be replaced every time the throttle body has undergone any replacement

1998-2002 GM LS1 F BODY 1-3/4 LONG TUBE HEADERS (TITANIUM CERAMIC) 25 mm Oversize - CoatedBBK Performance full length long tube exhaust headers offer unsurpassed quality and fitment using top quality materials and American craftsmanship. Every long tube exhaust header system is hand built with CNC mandrel bent tubing for unrestrictive exhaust flow and maximum performance, 3 8" laser cut flanges, patented scavenging collector design and gasket less ball and socket connectors for easy installation. Every exhaust header has been designed