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Overview
Upgrade your 2004.5-2010 Duramax LLY, LBZ, or LMM 6.6L with this Black 3" Down Pipe. Designed to enhance exhaust flow, reduce EGTs, and improve throttle response. Features durable 16-gauge mandrel bent tubing and high-temp ceramic coating for deeper sound and better performance. Perfect for stock or aftermarket exhaust systems. Fits Chevy Silverado and GMC Sierra 2500/3500 Diesel models.
Black 3" Turbo Down Pipe for 2004.5-2009 Duramax LLY LBZ LMM 6.6L GMCA424 GM8424
Model: C138-B008
Web Code: 19348501
Available online only
Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.
What you need to know:
- Membership is $19.99 / month until you cancel.
- You can cancel at any time, but if you cancel after the first 30 days you may be subject to a service recovery fee.
What you need to know:
- Membership is $19.99 / month until you cancel.
- You can cancel at any time, but if you cancel after the first 30 days you may be subject to a service recovery fee.
Seller Return Policy
Read return policyWarranty
Check with the manufacturer for details.
For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.
What you need to know:
- Membership is $19.99 / month until you cancel.
- You can cancel at any time, but if you cancel after the first 30 days you may be subject to a service recovery fee.