Purchase instructions

Professional installation is highly recommended, exhaust systems are not always perfect, and while most of the time these exhaust systems work perfectly together, occasionally a slight modification to the exhaust system is required to achieve a perfect fit.

Specifications:

Header Type: Long Tube / Full Length

Primary Diameter: 1-3/4 in.

Collector Diameter: 3 in. (76mm)

Head Flange Thickness：3/8 in. (9.5mm)

Pipe Thickness: 16 gauge (1.5mm)

Material: 304 Stainless Steel

Finish: Polished

Features:

Excellent quality and durability to improve vehicle performance, gains over 25+ rwhp

Full length design for power gain from mid to high RPM range

Fully mandrel bent tubes made of high quality 16-gauge 304 stainless steel

Head flanges laser-cut from high quality 3/8-inch thick steel plates

The flange is flattened by a hydraulic press for precise and leak free sealing

All joints are golden color TIG brass style welded to prevent cracking and wear

Flanges chrome plated for corrosion resistance

Polished surface for extra protection against rusting

The accessories in the photos are included

Fitment:

LS motor swap on 60-98 Chevy/GMC trucks (2WD)

LS based engines (LS1, LS2, LS3, LS6, LS7, etc.)

4.8L, 5.3L, 5.7L, 6.0L, 6.2L V8 Engines Only

1964-1977 Chevrolet Chevelle

1964 -1988 Chevrolet El Camino

1970-1988 Chevrolet Monte Carlo

1964-1988 Pontiac Lemans

1964-1977 Pontiac GTO

1977-1988 Pontiac Grand Prix

1964-1977 Oldsmobile Cutlass

1964-1972 Buick Skylark

1978-1988 Buick Grand National

1978-1988 Chevrolet Malibu

Package included:

1x Header Exhaust System with gaskets

Just as pictures shown

Important:

Will NOT fit LS4 engines

Will NOT work on 4WD/4x4 models

Will NOT work on standard SBC or BBC

Will NOT install with factory column shift linkage

May require special motor mounts for clearance

May require angled spark plug boots for tight clearance

If using larger 4L80E or older THM 350/400 automatic transmissions the bellhousing ears may need to be trimmed for proper clearance