Peterbilt 379 & 389 Flat Top Stack Kits - 6-inch 7-inch and 8-inch

Elevate the look and performance of your Peterbilt 379 or 389 with our Flat Top Stack Kits. These stack kits are engineered to deliver optimal exhaust flow and a bold aesthetic, giving your rig that classic, powerful look on the road. Built from high-quality materials, these stacks are made to withstand the demands of long-haul driving while maintaining a polished, eye-catching appearance.

2 60" flat tops tips

2 52" spools

2 long elbows

4 chrome angle clamps

2 chrome cab bkts

1 set bushings