American Racing: 2011-2018 MUSTANG SHELBY GT500 LONG SYSTEM: 1 7/8" x 3" or 2" x 3" HEADERS piece Exhaust port volume: 106 cc

Exhaust port volume: 106 cc (peak stock flow 194 cfm)

This adjustable version comes preassembled with a high output internally mounted fuel pump and an adjustable external regulator making installation quick and simple

- May require purchase of CORSA Exhaust Part Number (16015) to connect to CORSA Performance Exhaust System

and a unique Silver Leopard finish

A Kooks Off-Road Down Pipe eliminates those power robbing factory catalytic converters to release all the hidden power of your S550 Mustang has to offer

American Racing: 2011-2018 MUSTANG SHELBY GT500 LONG SYSTEM: 1 7/8" x 3" or 2" x 3" HEADERS piece Exhaust port volume: 106 ccAmerican Racing Headers: 2011 2018 MUSTANG SHELBY GT500 LONG SYSTEM: 1 7 8" x 3" or 2" x 3" ARH rules the roost with GT500 systems up to 2 and your choice of X Pipe or H Pipe to tailor the sound to your specific needs also available. Product features on ALL American Racing Headers systems include: 100% Made in the USA Never Outsourced Made entirely of 304 stainless steel 3 8" thick laser cut flanges for a warp free seal Hand ported TIG welded inlets