Description
This header designed for LS motor swap builds for older Chevrolet/GM/Oldsmobile/Buick models, fits GM Gen III/IV LS engines (LS1/LS2/LS3/LS6/LS7). Piping made of premium 16-gauge 304 stainless steel with CNC machine flanges of TIG and MIG welded construction. Computerized Mandrel-Bends bending maximizes the smoothest exhaust airflow for your vehicle and achieves better exhaust gas scavenging and reduced back pressure.

Features
Primaries Diameter: 1-5/8 in. (42mm)
Collector Diameter: 2-1/2 in. (64mm)
Pipe Thickness: 16-gauge (1.5mm)
Shorty design for power gain from idle to mid-range RPM
Tight tuck-in fit that allows fitment flexibility
Fully mandrel bent tubes made of 16-gauge 304 stainless steel
Head flanges laser-cut from 3/8-inch thick steel plates
Flanges flattened by hydraulic press for precise and leak-free seal
Flanges chrome plated for corrosion resistance
All joints TIG welded for resistance against cracking and wearing
Polished surface for extra protection against rusting
Fitment
For LS motor swap on older Chevy, GM, Pontiac, Olds, Buick models
Fits LS based engines (LS1, LS2, LS3, LS6, LS7, etc.)
⚠️WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.