MBRP S6059AL 4\" Armor Lite DPF-Back Exhaust for 20-25 Chevy/GMC Duramax Diesel For Sale - New and Used

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Part Brand: MBRP

Part Number: S6059AL

Vehicle Fitment

2020–2025 Chevrolet Silverado 2500/3500 HD 6.6 L Duramax (Crew & Ext Cab, includes 2025)

2020–2025 GMC Sierra 2500/3500 HD 6.6 L Duramax (Crew & Ext Cab)

Fitment Notes

DPF-back configuration--replaces factory downpipe downstream of DPF

Single-side rear exit with 4″ mandrel bending--bolts to OEM system

Requires extending or reusing factory catalytic system

Features

Armor Lite aluminized steel--HD 16-gauge with sealed seams, value-oriented

Tour‑Profile tuning--deep tone, mild volume, no drone

Mandrel-bent tubing maintains true 4″ for performance flow

Single 5″ rolled-edge tip--polished or black-chrome finishes available

Includes clamps, hardware, and full installation manual

3-year warranty covers materials and workmanship

Specifications

Part No: S6059AL

Tubing: 4.00″ OD; Tip: 5.00″ OD single exit

Material: 16‑gauge aluminized steel (Armor Lite)

Weight: Approx. 53 lb unpackaged

Included Components

1× Armor‑Lite 4″ DPF‑Back exhaust section with 5″ tip

OEM-style hangers, hardware, gaskets, clamps, instructions

Product DescriptionThe MBRP S6059AL Armor Lite DPF‑Back exhaust is a direct-fit performance upgrade for 2020–2025 GM HD trucks with the 6.6 L Duramax. Featuring 4″ mandrel-bent aluminized tubing and Tour‑Profile tuning, it offers enhanced flow, reduced backpressure, and a refined tone without drone. The single 5″ tip adds visual flair, and the bolt-on design uses factory hangers. Backed by a 3-year warranty, this value-oriented system provides long-lasting performance in dry climates.

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