aFe · New
aFe LARGE Bore HD Exhausts Cat-Back SS-409 EXH CB Dodge Diesel Trucks 03-04 L6-5.9L (td)
MPN 49-12005 · Store SKU afe49-12005
Supplier stock checked 11/7/2026, 4:21:57 PM 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
The Large Bore HD Performance Cat-Back exhaust features 4" 409 stainless steel tubing with smooth curves and increased size to help remove restriction and keeps exhaust gasses flowing smoothly. The OE style band-clamps and bayonet style hangers make sure this system installs c leanly and easily. You will see increased performance and lower EGTs from this system. This system does not come with a tip. Large Bore-HD 4 IN 409 Stainless Steel Cat-Back Exhaust System w/o Tip Dodge Diesel Trucks 03-04 L6-5.9L (td) Large Bore-HD 4 IN 409 Stainless Steel Cat-Back Exhaust System w/o Tip LARGE Bore HD Cat-Back SS-409 System
Manufacturer fitment & guides
Check 49-12005 against the manufacturer’s application information below.
Part-specific notes
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y