APPLICATION: For LS motor swap on older Chevy, GM, Pontiac, Olds, Buick models For LS based engines (LS1, LS2, LS3, LS6, LS7, etc.)
TECH SPECS: Header Type: Shorty / Short Tube Primary Diameter: 1-5/8 in. (42mm) Collector Diameter: 2-1/2 in. (64mm) Head Flange Thickness：3/8 in. (9.5mm) Pipe Thickness: 16 gauge (1.5mm) Material: 304 Stainless Steel Finish: Polished
Item：6874B+4076B
FEATURES: Shorty design for power gain from idle to mid-range RPM Tight tuck-in fit that allows fitment flexibility Extra thick 2mm thick stainless steel with golden color TIG brass style weld，great quality and great price guaranteed. Improve sound, horsepo wer & torque. 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 Accessories on the photos are included
