1964-1972 2WD Truck LS Exhaust Accessories

Exhaust hardware for a 1964-1972 2WD Chevy or GMC pickup getting an LS. Stainless band clamps cover 2-1/2 and 3 inch pipe, the cone reducer pair steps 3 inch down to 2-1/2, a 3 inch clamp has a port for an O2 sensor, and stainless bolts hold the header flanges.

Stainless clamps, 2 sizes
3 inch clamp with O2 port
Reducers for a 3 to 2-1/2 step

The 1964-1972 2WD truck 1-7/8 inch long tube and mid-length headers, cast iron manifolds and the mount kit are on the 1964-1972 2WD GM truck LS swap page. Every BRP exhaust part is on exhaust components.

1964-1972 C10 LS exhaust accessories

Truck pipe clamps and reducers

O2 clamp and header flange bolts

1964-1972 truck: part for each joint

Butting 2-1/2 inch pipe together: 2-1/2 inch clamp
Butting 3 inch pipe together: 3 inch clamp
Going from 3 inch to 2-1/2 inch: reducers
O2 sensor at a 3 inch joint: O2 clamp

1964-1972 2WD truck swap notes

The guide says the Muscle Rod headers from Husler are designed to bolt in with this mount kit.
The GM LH8 oil pan sits flush with the bottom of the lower control arm mount; the 2010-2017 LS Camaro pan is the one factory pan the guide rules out.
Some low mount LS A/C compressors can hit the truck frame, and the guide suggests Kwik Performance brackets if so.
The guide lists the 4L60E, 4L80E, 6L80E, 6L90E, 8L90E and 6 speed manuals as fitting the stock tunnel.

Notes from the 1963-1972 GM truck LS install guide. Part sizes come from the product names.

1964-1972 C10 LS exhaust FAQ

Does BRP sell long tube headers for a 1964-1972 C10 LS swap?

Yes. A 1-7/8 inch ceramic coated long tube header and a 1-7/8 inch mid-length header are listed for 1964-1972 2WD trucks on the parent swap page.

Do the truck headers bolt in with the BRP mounts on a 67-72 C10?

The guide says the Muscle Rod headers are designed to bolt in with this kit.

Will a factory A/C compressor clear headers in a 1964-1972 GM truck?

Some low mount LS compressors may hit the frame. The guide recommends Kwik Performance accessory brackets if that happens.

What adds an O2 sensor to 3 inch exhaust on a 1970 C10?

The 3 inch O2 sensor band clamp, which joins two 3 inch pieces and has the sensor port built in.