Product Description
Upgrade your 2nd-Gen Cummins with MBRP Armor Plus. The MBRP S6100409 is a 4" turbo-back, single side-exit exhaust built from T409 stainless (Armor Plus) to reduce backpressure, lower EGTs, and deliver a deep, authoritative tone—while standing up to road salt, grime, and hard use.
Fitment
- 1998–2002 Dodge Ram 2500/3500, 5.9L Cummins (24-valve VP44 and late 12-valve where applicable)
- Single side exit; direct-fit routing for 2nd-Gen chassis
- 4" turbo-back system; uses included clamps and hangers
What You Get
- Mandrel-bent 4" T409 stainless tubing (Armor Plus)
- All required clamps and hardware
- Vehicle-specific hangers for a clean, bolt-on install
Why CPP Diesel
- We stock proven 2nd-Gen Cummins exhausts and parts for real-world gains
- Fast shipping and knowledgeable support from diesel specialists
Cross-Reference / Alternatives (MBRP-Only)
- S6100304 – 4" Turbo-Back, Armor Pro (T304 Stainless)
- S6100409 – 4" Turbo-Back, Armor Plus (T409 Stainless) ← You’re viewing this
- S6100AL – 4" Turbo-Back, Armor Lite (Aluminized)
- S6100P – 4" Turbo-Back, Armor Lite (Aluminized)
- S6100PLM – 4" Turbo-Back, No Muffler, Armor Lite (Aluminized)
Helpful Notes
- Armor Plus = T409 stainless for long-term durability
- Pair with quality clamps and an HX40 downpipe where needed on certain configurations
Yes—this is a full 4" turbo-back system designed for 1998–2002 Ram 2500/3500 5.9L Cummins.
What’s the difference between Armor Pro, Armor Plus, and Armor Lite?
Armor Pro is T304 stainless (premium, show-quality), Armor Plus is T409 stainless (rugged, great value), and Armor Lite is aluminized steel (budget-friendly) with the same fit and layout.
Will I need welding?
No—this is a bolt-on kit that uses supplied clamps and vehicle-specific hangers.
Is this legal for my area?
Vehicle and local laws vary. Check your state and local regulations for emissions compliance before installation.
