ZZP Stainless Headers Downpipe Exit:2.5 Inch Exit 5 turns if you have

5 turns if you have stock lifters or 3/8 turn to 1/2 turn if you have Comp or LS7 lifters

Each 1/2 turn of the rocker bolt is ~

Comes in two options: If you are running a stock crank pulley you'll want the "stock" option

exh had a 1 5/8" flow tube

ZZP Stainless Headers Downpipe Exit:2.5 Inch Exit 5 turns if you haveWhen you install our ZZP stainless headers, this is the specific downpipe you will need to complete your install. It has a leak free V Band inlet flange that will mate directly to the exit of the ZZP headers. On our catted downpipes we use a 200 cell unit which is the highest flowing best performing cat we offer. This downpipe will ONLY bolt up to version 2 ZZP stainless headers with the V Band exit flange. It will NOT bolt up to a stock rear exhaust