MBRP mbrpS5278BLK ARMOR Axle-Back Exhaust 3" Dual Rear Exit Turndown (Black Tips) | 2022-2026 Ford F-150 Raptor / Raptor R

Overview

The MBRP S5278BLK ARMOR BLK Axle-Back Exhaust is purpose-built for the 2022–2026 Ford F-150 Raptor (3.5L EcoBoost HO) and Raptor R (5.2L Supercharged) — two of Ford's most elite off-road machines. Featuring a 3-inch dual rear exit configuration with high-clearance turndown tips, this system delivers a refined performance growl and a stealthy blacked-out aesthetic without compromising the Raptor's legendary off-road capability. If you're searching for the best axle-back exhaust for your 2022+ Ford F-150 Raptor, the MBRP S5278BLK is the definitive bolt-on upgrade.

Key Features & Benefits

• Black-Coated T304 Stainless Steel Construction — Premium T304 stainless steel paired with an engineered high-heat black powder coating delivers exceptional corrosion resistance, chip resistance, and long-term durability in the harsh environments Raptors are built to conquer.
• 3-Inch Dual Rear Exit Turndown Design — The 3" tubing maximizes exhaust flow and reduces back-pressure, while the dual turndown exits point exhaust gases downward for optimal trail ground clearance and off-road articulation.
• Laser-Welded High-Clearance Tails — Precision laser welding ensures leak-free, durable joints at every seam, critical for off-road abuse and high-heat performance cycles.
• ARMOR BLK "Murdered-Out" Styling — The semi-gloss black powder coating on tailpipes and tips resists chips, abrasions, oil, chemicals, and heat — giving your Raptor an aggressive, stealthy look that matches its character.
• Street Profile Sound Tuning — Delivers a moderate, deeper exhaust tone that is noticeably more aggressive than stock without generating excessive cabin drone — ideal for daily driving, trails, and the track.
• Dyno-Proven Performance Gains — Mandrel-bent tubing with no rippling in the bends promotes smooth, unrestricted exhaust flow, resulting in improved throttle response and measurable horsepower and torque gains over the restrictive factory system.
• MBRP Logo-Etched Exhaust Tips — Premium stainless steel tips feature a raised MBRP logo for a premium, custom-finished appearance.
• Bolt-On, No-Weld Installation — Uses slip-style ends and factory-style clamps; installs directly onto OEM hangers with no cutting, trimming, or welding required. All necessary hardware and clamps are included.

What's Included

• Left and right axle-back exhaust pipe assemblies (black-coated T304 stainless steel)
• Dual high-clearance turndown exit tips with MBRP logo (black-coated stainless steel)
• All required installation hardware and factory-style clamps
• MBRP installation instructions

Specifications

Manufacturer Part Number	S5278BLK
Series	ARMOR BLK
System Type	Axle-Back
Exit Configuration	Dual Rear Exit
Exit Style	Turndown (High-Clearance)
Sound Profile	Street Profile — Deeper tone, moderately louder than stock
Pipe Diameter	3 Inch
Primary Material	Black-Coated T304 Stainless Steel
Tip Finish	Black-Coated Stainless Steel w/ MBRP Logo
Weld Type	Laser-Welded
Installation Type	Bolt-On, No Weld / No Cut
Fuel Type	Gasoline
Warranty	1-Year (black coating); 3-Year (all other components)
Climate Recommendation	Dry Conditions (not recommended for heavy salt/snow exposure)
CA Prop 65	⚠️ Warning: Contains nickel and chromium compounds. See p65warnings.ca.gov

Fitment & Compatibility

The MBRP S5278BLK is designed exclusively for the following vehicles:

• 2022–2026 Ford F-150 Raptor — 3.5L EcoBoost High-Output (HO) V6
• 2023–2026 Ford F-150 Raptor R — 5.2L Supercharged V8

Note: Compatible with 3.5L EcoBoost HO and 5.2L Supercharged engine configurations only. Not intended for standard F-150 applications. Verify your exact year, make, model, and engine configuration before ordering.

Installation

The MBRP S5278BLK is a straightforward bolt-on axle-back installation designed for the confident DIY installer. The system uses slip-style pipe ends and factory-style clamps, mounting directly to the Raptor's OEM exhaust hangers with no cutting, trimming, or welding required. All installation hardware and clamps are included in the box. Most installations can be completed with basic hand tools in approximately 1.5–2 hours on a vehicle lift or with jack stands. Professional installation is recommended if you are unfamiliar with exhaust work.

Frequently Asked Questions

Is the MBRP S5278BLK CARB compliant? MBRP does not publish a CARB EO number for this axle-back system. As an axle-back (downstream of the catalytic converters), it typically does not affect emissions equipment; however, buyers in California should verify local compliance requirements before purchasing.

Is this exhaust recommended for off-road use? Yes. The high-clearance turndown exit style is specifically engineered to maintain ground clearance during serious off-road articulation, making it ideal for trail use.

Will this fit my 2023 F-150 Raptor R? Yes. The S5278BLK is confirmed to fit the 2023–2026 Ford F-150 Raptor R with the 5.2L Supercharged V8 engine.

Is the black coating durable in winter conditions? The ARMOR BLK series is recommended for dry climates and is not ideal for prolonged exposure to road salt, snow, or heavy precipitation. For high-moisture environments, consider the MBRP ARMOR Pro series in T304 stainless steel.