MBRP S6284AL 4" FILTER-BACK SINGLE SIDE ARMOR LITE — 2011–2014 FORD SUPER DUTY 6.7L POWER STROKE

MBRP S6284AL 4" Filter-Back — Single Side, Armor Lite (Aluminized Steel)

Wake up your 6.7L Power Stroke with MBRP’s Armor Lite (aluminized steel) 4" DPF-back, single-side exit system. Designed for a deeper, tour-profile tone and durable daily-driver performance, this kit includes mandrel-bent tubing, a high-flow muffler, and a T304 stainless tip for clean looks and long service.

Key Features

• 4" mandrel-bent DPF-back for smoother exhaust flow
• Single side exit with T304 stainless steel tip
• Armor Lite aluminized steel construction
• Bolt-on installation with OEM-style hangers
• Tour-profile sound — confident without drone
• Emissions-friendly DPF-back design (no emissions equipment removed)

Fitment

2011–2014 Ford Super Duty F-250 / F-350 / F-450 — 6.7L Power Stroke (all cabs & beds)

What’s In The Box

• 4" Armor Lite aluminized steel DPF-back tubing & high-flow muffler
• T304 stainless single-wall, rolled-angle tip
• Clamps, hangers, and installation hardware

Cross-Reference / Alternatives (MBRP Only)

• MBRP S6287AL — 4" Filter-Back, Single Side, Armor Lite (2011–2016)
• MBRP S6287409 — 4" Filter-Back, Single Side, XP Series T409 Stainless (2011–2016)
• MBRP S6288409 — 4" DPF-Back, Single In / Dual Outlet, Armor Plus T409 (2011–2016)

Helpful Notes

• DPF-back systems retain factory emissions equipment.
• Some trucks may require trimming for tip alignment based on wheelbase.

FAQ

Yes. It’s a DPF-back (filter-back) system that bolts on and does not require tuning.

Armor Lite uses aluminized steel for value in dry climates. XP/Armor Plus are T409 stainless for increased corrosion resistance. See the XP (S6287409) and Armor Plus dual outlet (S6288409) options above.

Yes — the included tip is T304 stainless with a rolled-angle design.

No. It’s a filter-back (DPF-back) replacement and keeps emissions equipment intact.