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The MBRP S72843CF is MBRP's flagship cat-back exhaust system built exclusively for the 2024, 2025, and 2026 Ford Mustang Dark Horse 5.0L V8. Part of the ARMOR Pro series, the S72843CF delivers a quad rear exit configuration with four 5-inch carbon fiber dual-wall tips, 3-inch mandrel-bent T304 stainless steel construction, and full Active Profile integration that keeps every OEM drive mode intact. Backed by MBRP's lifetime warranty, this system is the definitive exhaust upgrade for Dark Horse owners who refuse to compromise sound, style, or daily drivability.
What's Included
- (1) X-Pipe
- (1) Driver-Side Extension Pipe
- (1) Passenger-Side Extension Pipe
- (1) Driver-Side Muffler Assembly
- (1) Passenger-Side Muffler Assembly
- (2) Spring Hubs
- (4) 3.0in Clamps
- (6) M6x20 Hex Bolts
- (6) M6 Flat Washers
- (4) Carbon Fiber Tips
Active Profile: Full OEM Valve Integration
What separates the S72843CF from most aftermarket cat-back systems is the Active Profile designation. The Dark Horse 5.0L V8 ships with Ford's active exhaust valve system, which electronically modulates exhaust flow across four drive modes. Many aftermarket exhausts bypass or delete this valve function, stripping the driver of factory-calibrated sound control. The S72843CF is engineered to work with the OEM active valve, not around it.
All four factory drive modes are fully retained:
- Quiet Mode: Valves close for subdued, neighborhood-friendly exhaust note. Ideal for early-morning starts or residential driving.
- Normal Mode: A balanced, moderate tone with zero drone on the highway or during steady-state cruising.
- Sport Mode: Valves open further for a more pronounced, aggressive character that rewards spirited driving.
- Track Mode: Full valve-open, unrestricted flow. The S72843CF unleashes the full acoustic potential of the 5.0L V8 at wide-open throttle, producing the aggressive, commanding sound the Dark Horse platform was built for.
Installation is completely plug-and-play with the OEM active valve connector. No tune required, no wiring modification, no drone during normal driving.
Quad Carbon Fiber Tips
The S72843CF exits through four 5-inch carbon fiber dual-wall tips. Each tip features a real woven carbon fiber outer shell paired with a mirror-polished T304 stainless steel inner sleeve. The contrast between the carbon weave exterior and polished inner barrel creates a premium, layered visual that complements the Dark Horse's aggressive styling cues. The quad rear exit layout mirrors the symmetry of the Dark Horse's rear fascia and delivers a purposeful, track-inspired look that aftermarket single or dual exits simply cannot match.
Fitment
Important: The S72843CF fits the Ford Mustang Dark Horse trim only. It is not compatible with the standard Mustang GT or any other Mustang trim level. Confirm your trim before ordering.
| Year | Make | Model | Trim | Engine |
|---|---|---|---|---|
| 2024 | Ford | Mustang | Dark Horse | 5.0L V8 |
| 2025 | Ford | Mustang | Dark Horse | 5.0L V8 |
| 2026 | Ford | Mustang | Dark Horse | 5.0L V8 |
| 2024 | Ford | Mustang | Dark Horse Premium | 5.0L V8 |
| 2025 | Ford | Mustang | Dark Horse Premium | 5.0L V8 |
Full Specifications
| Specification | Detail |
|---|---|
| Part Number (MBRP) | S72843CF |
| Retailer SKU | MBRPS72843CF |
| Series | ARMOR Pro |
| System Type | Cat-Back, Quad Rear Exit |
| Active Profile | Yes, OEM active valve compatible |
| Pipe Diameter | 3 inches |
| Pipe Construction | Mandrel-bent T304 stainless steel |
| Tip Quantity | 4 tips (quad exit) |
| Tip Diameter | 5 inches |
| Tip Style | Dual-wall carbon fiber (carbon fiber outer, mirror-polished T304 SS inner) |
| Drive Modes Retained | Quiet, Normal, Sport, Track |
| Sound Character | Aggressive at WOT, civil and drone-free during normal driving |
| Installation | Bolt-on, no cutting required, plug-and-play OEM valve |
| Fitment Precision | Precision-built to factory jigs |
| Warranty | Lifetime (ARMOR Pro series) |
| MAP Price | $1,899.99 |
| MSRP | $2,347.05 |
| CARB Legal | No |
| California Street Legal | No |
| Manufacturer | MBRP Inc. (Huntsville, Ontario, Canada) |
Not Street Legal in California
The S72843CF does not hold a CARB Executive Order (EO) number and is not legal for street use in the state of California. This system is intended for off-road and closed-course competition use only in California. Do not install on a California-registered street-driven vehicle.
WARNING (California Proposition 65): This product can expose you to chemicals including nickel and chromium, which are known to the State of California to cause cancer, and carbon monoxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Warranty
The MBRP S72843CF is covered by a lifetime warranty against defects in materials and workmanship, exclusive to the ARMOR Pro series. This warranty is extended to the original retail purchaser and is non-transferable.
Under the Magnuson-Moss Warranty Act, installing this exhaust system does not void your vehicle's factory powertrain warranty solely on the basis of using an aftermarket part. A dealer must demonstrate that the aftermarket component directly caused a failure in order to deny a warranty claim on a related OEM part. Retain your installation documentation and purchase receipt.
Compare: S72843CF vs S72803CF
| Feature | S72843CF (MBRPS72843CF) | S72803CF |
|---|---|---|
| Series | ARMOR Pro | ARMOR Pro |
| Profile Type | Active Profile | Street Profile |
| OEM Active Valve Compatible | Yes, plug-and-play | No |
| Drive Modes Retained | Quiet, Normal, Sport, Track (all 4) | Not applicable |
| Pipe Diameter | 3 inches | 3 inches |
| Exit Configuration | Quad Rear Exit | Dual Split Rear Exit |
| Tip Style | 4x 5in Carbon Fiber Dual-Wall | 4x Carbon Fiber Dual-Wall |
| Model Year Coverage | 2024, 2025, 2026 | 2024, 2025 |
| Fitment | Dark Horse, Dark Horse Premium | Dark Horse, Dark Horse Premium |
| Drone During Normal Driving | None | Fixed sound profile |
| Warranty | Lifetime | Lifetime |
If you drive your Dark Horse on public roads and want to maintain the factory sound control system across all four drive modes, the S72843CF (S72843CF) is the correct choice. The S72803CF (Street Profile) bypasses the active valve system and delivers a fixed exhaust note regardless of selected drive mode. Both systems share ARMOR Pro construction quality and lifetime warranty coverage. Note: the ARMOR Lite and ARMOR Plus series are not available in an active-profile, cat-back, quad-exit configuration for the Dark Horse platform. The ARMOR Pro is the only MBRP series offering this combination.
About MBRP
MBRP Inc. is headquartered in Huntsville, Ontario, Canada, and has built a reputation over more than two decades as one of North America's most respected performance exhaust manufacturers. MBRP systems are engineered in-house, manufactured to precise tolerances, and tested against factory fitment jigs to ensure bolt-on installation without modification. The ARMOR Pro series represents the top tier of MBRP's passenger car exhaust lineup, combining T304 stainless steel construction, premium tip finishes, and lifetime warranty coverage for drivers who demand the best from their build.
Frequently Asked Questions
Q: Does the S72843CF require any cutting or welding during installation?
A: No. The S72843CF is a true bolt-on system. It is precision-built to factory jigs for the 2024-2026 Ford Mustang Dark Horse 5.0L V8 and installs without any cutting, welding, or modification to the vehicle's chassis or existing exhaust mounting points.
Q: Will this exhaust drone on long highway drives?
A: No. The Active Profile design keeps the OEM active valve fully operational. In Quiet and Normal modes, the valves remain partially or fully closed, resulting in a moderate, civil exhaust tone with no resonance or drone during steady-state highway cruising. Aggressive sound is reserved for Sport and Track modes at higher RPM and load.
Q: Is this system compatible with the standard Mustang GT?
A: No. The S72843CF is engineered specifically for the Ford Mustang Dark Horse trim (including Dark Horse Premium). It is not compatible with the standard Mustang GT or any EcoBoost variant. Verify your exact trim before ordering.
Q: Does installing the S72843CF require a tune or ECU recalibration?
A: No tune is required. The Active Profile system connects plug-and-play to the factory active valve wiring harness. The OEM ECU continues to control valve position across all four drive modes without any reprogramming.
Q: Can I use this system in California on a street-registered vehicle?
A: No. This system does not hold a CARB EO number and is not legal for street use in California. It is intended for off-road and closed-course competition use only in that state.
Q: What warranty does the S72843CF carry?
A: The S72843CF is covered by MBRP's lifetime warranty against defects in materials and workmanship, applicable to the original retail purchaser. This is MBRP's highest warranty tier, exclusive to the ARMOR Pro series.
Q: What is the difference between Active Profile and Street Profile in MBRP's lineup?
A: Active Profile systems (like the S72843CF) are designed to integrate with the factory active exhaust valve, preserving all OEM drive mode sound profiles. Street Profile systems (like the S72803CF) replace or bypass the active valve function and deliver a fixed, consistent exhaust note regardless of selected drive mode. For Dark Horse owners who use Quiet or Normal mode regularly, Active Profile is the preferred choice.
Q: How long does it take to receive this exhaust?
A: This is a in stock item. Expect 2 to 3 days from the time of order. Contact us with any lead time questions before purchasing.
Q: Does the carbon fiber on the tips require special maintenance?
A: The carbon fiber outer shell on each tip benefits from occasional cleaning with a mild, non-abrasive soap and water. Avoid abrasive polishing compounds on the carbon weave surface. The inner mirror-polished T304 stainless steel sleeve can be cleaned with standard stainless steel polish to maintain its finish.
Q: Does installing this exhaust void my Ford factory warranty?
A: Under the Magnuson-Moss Warranty Act, a dealer cannot void your powertrain warranty solely because you installed an aftermarket exhaust. The dealer must prove the aftermarket part directly caused a specific failure. Retain your purchase receipt and installation records as documentation.
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