SPOOLOGIC 3in Turbo Downpipe

The SPOOLOGIC 3-Inch Turbo Downpipe SL-520-022 replaces the turbo outlet-to-exhaust pipe on 2011–2015 Chevrolet Silverado 2500 3500 and GMC Sierra 2500 3500 pickups with the 6.6L Duramax LML engine. Its mandrel-bent tubing and fitted heat wrap suit the early LML layout with a circular-clamp lower exhaust connection.

Features

• 3-inch mandrel-bent tubing
• Turbo-side V-band flange and circular-clamp lower connection
• Fitted heat wrap with retaining straps
• Welded mounting bracket and threaded sensor port

What’s Included

• 1 3-inch turbo downpipe with welded flange, mounting bracket and sensor port
• 1 heat wrap fitted to the pipe
• Heat-wrap retaining straps

Fitment

• 2011-2015 Chevrolet Silverado GMC Sierra 2500 3500 6.6L Duramax LML

⚠️ Emissions Notice

Not CARB approved. Not legal for sale or use in the state of California.

1-Year Limited Warranty

Every SPOOLOGIC 3in Turbo Downpipe 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 improper installation, unsupported or misaligned connections, or physical damage. Normal heat discoloration is not covered. 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.