aFe Power Large Bore-HD 4" 409 Stainless DPF-Back Exhaust w/ Black Tip (49-43106-B)
Fits 2018-2020 3.0L Power Stroke
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Price tracked 7 times since Jul 26, 2026: low $462, high $462, currently $462.
where to buy · 3 retailers tracked
A DPF-back exhaust system replaces the factory muffler and tailpipe section with a larger 4-inch mandrel-bent pipe and a black exhaust tip, deepening the truck's sound without touching the factory diesel particulate filter or catalytic converter.
why this one — This is aFe's heavy-duty stainless option for the 3.0L Power Stroke. It bolts to factory hanger/mounting points and keeps the factory DPF and catalyst in place - a sound and finish upgrade only, not an emissions modification. Part 49-43106-B, confirmed on file at American Trucks 2026-07-23.
DPF-back systems start downstream of the factory diesel particulate filter and catalyst - no power claim made by aFe for this exhaust, it is a sound/tip upgrade. DPF/cat retention confirmed via americantrucks.com product listing (checked 2026-07-23); DPF-back vs delete terminology confirmed generically via spelabautoparts.com exhaust guide (checked 2026-07-23).
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