21-24 Ford F-150 3.5L PowerBoost SPD Performance FPB21 HX Series Single Exit 304SS Cat Back Exhaust Kit

21‑24 Ford F‑150 3.5L PowerBoost SPD Performance FPB21 HX Series Single Exit 304SS Cat‑Back Exhaust Kit (Part # FPB21)

The FPB21 HX Series exhaust kit is engineered specifically for the 2021–2024 Ford F‑150 equipped with the 3.5L PowerBoost powertrain. Constructed from premium 304 stainless steel with mandrel‑bent 3″ tubing and an HX Series muffler, this bolt‑on cat‑back system boosts performance and longevity. It delivers a balanced, deep exhaust note—audible and sporty without overwhelming cabin comfort—while ensuring simple, no‑cut installation. SPD Performance’s expertise in fitment and build quality makes this upgrade a smart choice for drivers seeking enhanced throttle response, sound, and durability

Key Features

• 100% bolt‑on installation—no cutting or welding required 

• Mandrel‑bent 3″ tubing and muffler in 304 stainless steel for maximum flow and corrosion resistance 

• Single exit polished tip (available in 4″ or 5″)—sleek finish with aggressive stance 

• HX Series drone‑canceling muffler for a refined, deep tone without cabin resonance 

• Designed exclusively for PowerBoost applications to optimize compatibility and performance 

Benefits

• Performance Gains: Enhances exhaust flow to improve throttle response and engine efficiency.

• Sound Quality: Produces a richer, deeper exhaust tone that’s assertive yet smooth—great for daily driving.

• Long‑Term Durability: High‑grade 304 stainless steel resists corrosion and wear, retaining finish under heat.

• Easy Installation: Direct bolt‑on design means installation can be completed in less than 2 hours by someone with basic tools.

• Warranty Support: Backed by SPD Performance’s warranty—peace of mind with coverage against manufacturing defects.

• No‑drone Experience: Muffler engineered to cancel harmonic vibration for quiet cabin comfort.

Product Specs

• Material: 304 stainless steel

• Tubing Diameter: 3 in (mandrel‑bent)

• Exhaust Tip Options: Polished single tip, 4″ or optional 5″

• Finish: Natural stainless steel, polished tip

• Weight: Approx. 40 lbs (kit) 

• Tip Orientation: Single rear exit

• Compatible: Fits factory or SPD downpipes

Install Difficulty Level 
Installation is straightforward. As a fully bolt‑on system with no cutting or welding required, it can typically be installed in under 2 hours—even by those with basic mechanical ability. The direct OE‑style hangers and included hardware simplify fitment and reduce installation hassle.

Vehicle Fitment 
This exhaust kit fits:

• Year Range: 2021 through 2024

• Make: Ford

• Model: F‑150

• Engine: 3.5L PowerBoost (V6 hybrid)

Questions or Reporting Issues
For any questions about this product or to report inaccuracies in the description, contact the MPT Performance experts at (407) 636‑7077 or by email.