Mandrel-Bent Aluminized steel exhaust pipes are 4" diameter below bed expanding to 5" above bed. 8" Stacks with 5" base fit into the outlet, creating a smooth exhaust flow! 8" Stack Mounting Clamps are included.
Hooks up to your stock exhaust system just before the muffler. Removes stock exhaust restrictions, improve your truck's power and performance, increases fuel mileage / economy, reduces exhaust gas temperatures (lower EGTs) which increases the longevity of your diesel pickup truck engine. Universal Bed Kit for Ford, Chevy & Dodge Diesel Pickup Trucks.
Powerflow Performance Exhaust System Made in America by Grand Rock!
BENEFITS: *Improve Fuel Mileage *Reduce Exhaust Gas Temperatures (EGTs)
*Increase engine longevity *Big Rig Looks *Big Rig Sound
When used with 36" long stacks the stack tips will reach about 2" above top of cab.
The 4" inlet/5" outlet T-Pipe is mounted in the bed, and only one hole needs to be cut in the bed of the truck. All under-bed pipes are 4" diameter. Exhaust pipes are made of tough, Commercial Grade Aluminized Steel. Flex-pipe is 304 Stainless. Heavy Duty Exhaust Clamps are Zinc-Coated for greater durability.
Complete Cat Back Stack Exhaust Kit includes everything you need to do the stack installation!