aFe · New
aFe Large Bore-HD 3in 409SS DPF-Back 20-21 GM Trucks L6-3.0L (td) LM2 - Black Tip
MPN 49-44128-B · Store SKU afe49-44128-B
Supplier stock checked 11/7/2026, 7:24:37 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
This DPF-back exhaust system is constructed of 3 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system is a 4-1/2" diameter black 304 stainless steel clamp-on exhaust tip. The tip features a laser etched aFe POWER logo for a unique style. Utilizing factory style hangers this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation. This DPF-back exhaust system uses a heavy duty flex pipe with an internal interlock liner for added strength and durability. Utilizing state-of-the-art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment. 100% MIG-Welded for race-proven strength and durability. Intercooled tubing provides reduction in exhaust gas temperatures. Large Bore-HD 3 IN 409 Stainless Steel DPF-Back Exhaust System w/Black Tip GM Trucks 20-22 L6-3.0L (td) LM2 Large Bore-HD 3 IN 409 Stainless Steel DPF-Back Exhaust System w/Black Tip
Manufacturer fitment & guides
Check 49-44128-B against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y