SPOOLOGIC L5P Exhaust Up-Pipe Bolt Kit

The SPOOLOGIC SL-320-035 Exhaust Up-Pipe Bolt Kit supplies up-pipe hardware built to the latest GM bolt specification for compatible 6.6L Duramax L5P exhaust components.

Features

• 13 mm, 6-point hex bolt heads
• Washers included

What's Included

• 12 SPOOLOGIC Up-Pipe Bolts
• 12 SPOOLOGIC Washers

Fitment

• 2017-2026 Chevrolet Silverado GMC Sierra 2500 3500 6.6L Duramax L5P

Compatibility Note

⚠️ Match the bolts to the threaded exhaust components. GM specifies standard bolts for updated 30-degree ramp-angle threads; original Powerlok components require the matching Powerlok bolts.

1-Year Limited Warranty

Every SPOOLOGIC L5P Exhaust Up-Pipe Bolt Kit carries a 1-Year Limited Warranty against defects in materials and workmanship for the original purchaser from the original purchase date. Coverage excludes damage caused by incorrect torque, cross-threading, reuse of stretched or damaged fasteners, improper installation, or use outside the listed application. Claims require dated proof of purchase. Contact SPOOLOGIC for return authorization before shipping the component for inspection. If inspection confirms a covered defect, SPOOLOGIC will replace the covered component. Customers pay warranty shipping in both directions; labor and related costs are not covered. See the SPOOLOGIC Warranty Policy for full terms.