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

Boost performance and sound on your 2021–2024 Ford F‑150 3.5L PowerBoost with the SPD Performance FPB21 HX Series Cat‑Back Exhaust Kit. Made from 304 stainless steel, it delivers a deep, refined tone and improved flow with easy bolt‑on installation—no cutting required.

Top Features

  • 3″ mandrel‑bent 304 stainless steel construction

  • HX Series muffler for deep tone without drone

  • 100% bolt‑on—no cutting or welding needed

  • Single polished tip (4″ or 5″ options)

  • Enhanced exhaust flow for performance gains

  • Backed by SPD Performance warranty

Vehicle Fitment

  • 2021 Ford F‑150 3.5L PowerBoost

  • 2022 Ford F‑150 3.5L PowerBoost

  • 2023 Ford F‑150 3.5L PowerBoost

  • 2024 Ford F‑150 3.5L PowerBoost

Vendor: SPD Performance
SKU: HXFFPB21
$ 785.00 USD
On-Sale $ 785.00 USD
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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.

Shipping Policy

MPT is proud to offer free shipping on most orders over $149.

  • Free shipping applies only to the contiguous United States. Shipping and handling charges will apply to orders outside the contiguous US, and the buyer is responsible for any duty fees or taxes their home country may charge to import goods.
  • With free shipping, we will choose the best shipping method for your order. We use all major carriers, including USPS, FedEx, UPS, and DHL.

Turnaround Times:

  • MPT Tunes have a standard turnaround time of 2-3 business days, beginning once we receive your MPT Tune Form.
  • We do not process orders on weekends or observed holidays, which do not count as business days.
  • Physical items that are in stock at MPT and ordered by 4PM EST will be shipped the same day. Orders placed after 4PM EST will be processed on the following business day.

Special Considerations:

  • Items not stocked at our location will follow the same processing times but may experience lead-time delays and could incur additional charges. Shipping methods may vary for these items based on what was paid and the requested delivery speed. If you need an item by a specific deadline, please contact an MPT Expert.
  • SCT Tuner Orders with the Prioritized Order option must have their tune forms submitted by 3PM EST to be completed the same day. Forms submitted after this time will be processed the next business day.
  • Orders will ship to the billing address listed on your order. If paying by credit or debit card, we can only ship to the billing address. Contact an MPT Expert for assistance if you need a different shipping address.

MPT Performance Returns and Refund Policy

A Return Authorization Number is required for all returns. Please contact an MPT Expert to obtain an RA # before sending anything back to us for any reason.

MPT tuning charges and license fees are Non-Refundable. The sale is final when MPT has sent the tune file over email. This includes both new tune purchases and tune updates.

Products other than MPT tunes, digital products, and MPT decals may be returned within 30 days for any reason, provided that the product has not been installed and is in brand new, unused condition with the original packaging. Once a product has been installed it is non-refundable. We reserve the right to deny the return, should the product be received and it display signs of installation or unmentioned damage.

For vehicle programmers/tuners, the vehicle must be returned to stock if a program was installed. If a tuning device is returned and has not been returned to stock, a refund will not be issued, and your tuner will not be sent back without a shipping and handling fee.

The customer is responsible for all shipping charges incurred during the return process.

Amount Refunded:
•Returns post marked before 30 days from the date the item was received will be refunded the purchase price, minus a 25% restocking fee and the cost of shipping.
After 30 days, all sales are Final.
•Shipping charges along with any package insurance are non-refundable. If your purchase was shipped with our Free Shipping option, the cost of the shipping will be subtracted from the total refund amount.

HP Tuners Credits are assigned to the HP Tuners product with the submitted serial number and cannot be transferred. Once you load a tune to your vehicle with the RTD, these credits are Non-Refundable.

Digital products and files that have no ability to be taken back physically, such as an SCT Tuner Unlock, are Non-Refundable.

nGauge Tune License Fee is included in your initial purchase of MPT tunes for the nGauge. This fee is factored into the price of the tunes and becomes Non-Refundable when the stock file has been emailed to MPT.

MPT Decals are Non-Refundable, once they have been received by the customer.

Year Make Model Submodel
2021-2024 Ford F-150 PB

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