1975-1979 Nova LS Exhaust Accessories

Exhaust fittings for a 1975-1979 Nova, Ventura, Skylark or Omega with an LS swap. The list is short: stainless band clamps for 2-1/2 and 3 inch pipe, a pair of 3 to 2-1/2 inch cone reducers, a 3 inch band clamp that takes an O2 sensor, and stainless header flange bolts.

Fits 2-1/2 or 3 inch pipe
Clamp with an O2 port
Stainless flange bolts

The 1975-1979 X-Body 1-7/8 inch ceramic coated long tube and mid-length headers, cast iron manifolds and swap mounts are on the 1975-1979 X-Body Nova LS page. All BRP exhaust parts are collected under exhaust components.

1975-1979 Nova LS exhaust accessories

Pipe clamps and step-down reducers

O2 sensor clamp and bolts

Late Nova: part by joint

2-1/2 inch to 2-1/2 inch: 2-1/2 inch clamp
3 inch to 3 inch: 3 inch clamp
3 inch to 2-1/2 inch: cone reducers
Sensor in a 3 inch run: O2 clamp

1975-1979 X-Body notes

The long tube header listing covers the 1975-1979 Nova, Ventura, Skylark and Omega.
BRP offers both long tube and mid-length headers for this body, each in 1-7/8 inch primaries.
A 1975-1979 X-Body install guide is not posted yet, so clearance and transmission notes are not listed here.

Notes come from the product listings. Guides for other chassis are on the BRP install guides page.

1975-1979 Nova LS exhaust FAQ

Which headers fit a 1975-1979 Nova LS swap?

BRP lists 1-7/8 inch ceramic coated long tube and mid-length headers for the 1975-1979 X-Body on the parent swap page. This page holds the hardware around them.

Do the late Nova long tube headers fit a Ventura or Omega?

The long tube listing names the 1975-1979 Nova, Pontiac Ventura, Buick Skylark and Oldsmobile Omega.

Is there an install guide for the 1975-1979 X-Body LS swap?

Not yet. The install guides page does not list one for this body, so check the product listings for fitment.

What do I need to run a sensor in 3 inch pipe on a 1977 Nova?

The 3 inch O2 sensor band clamp. It joins two pieces of 3 inch pipe and carries the sensor port.