Boyce Trackburner Straight Oval Exhaust Pipe - 4-1/16 in Width x 2-7/16 in Height - 24 in Long 1530A13 5" 10-Bolt

5" 10-Bolt

Don't wait too long to rebuild that expensive motor - but don't do it too soon either

1240" Jet size

1985-1986 GMC K1500

supercharged or nitrous applications where additional fuel is required to prevent lean out conditions and engine damage

Boyce Trackburner Straight Oval Exhaust Pipe - 4-1/16 in Width x 2-7/16 in Height - 24 in Long 1530A13 5" 10-BoltHigh performance, mandrel bent exhaust tubing offers exceptional flow, while the oval design provides necessary ground clearance to the lowest slung circle track chassis. Mild steel tubing is 0. 065" wall. Product Description: Exhaust Pipe Straight Oval 4. 063 in Width x 2. 438 in Height 24 in Long Steel Natural Boyce Industries, Inc. is a performance oriented company that for over 40 years has been directly involved in motorsports from racecar