Product description
Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System Ford Diesel Trucks 11-14 V8-6.7L (td)
Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System
LARGE Bore HD DPF-Back SS-409 System
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Supplier details checked 2026-09-23 · Test catalog
Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System Ford Diesel Trucks 11-14 V8-6.7L (td)
Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System
LARGE Bore HD DPF-Back SS-409 System
4 in. Mandrel Bent 409 Stainless Steel Tubing
Bayonet Style Hangers For Easy Installation
Increased Horsepower And Torque
2 Year Limited Warranty
High Flow Muffler
Maximum Flow
Lower EGTs
aFe LARGE Bore HD Exhausts DPF-Back SS-409 EXH DB Ford Diesel Trucks 11-12 V8-6.7L (td)
Large Bore-HD DPF-Back Exhaust System
DPF-Back Exhaust
ExhstSysKt
The Large Bore HD Performance DPF-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 bayonnet style hangers make sure this system installs cleanly and easily.
Exhaust System Kit