Flowmaster Signature Series Cat-Back Stainless Exhaust System - 3 in Diameter - 4 in Tip - GM Fullsize Truck 2014-19 23-FLT-NFO-S Throttle Body Adapter for LS1

Throttle Body Adapter for LS1 throttle body to EFI elbow

Features:Designed primarily for race applications with no mechanical advanceWill not accept a vacuum advance canisterMust be used with an MSD 6

This unit is drilled for 1/2in

HP Smart Coil ignition sub-harness

45 lb Spring Rate

Flowmaster Signature Series Cat-Back Stainless Exhaust System - 3 in Diameter - 4 in Tip - GM Fullsize Truck 2014-19 23-FLT-NFO-S Throttle Body Adapter for LS1Product Description: Exhaust System Signature Series Cat Back 3 in Diameter 4 in Tip Stainless Natural GM Fullsize Truck 2014 19 In 1983 California Sprint Car racers were experiencing 'excessive sound' issues and were told to quiet the cars down or stop racing. Flowmaster founder Ray Flugger created Flowmaster's first patented design of racing mufflers. Ray attached handles to ease carrying the race mufflers, and the mufflers became known as the