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21-26 Ford F-150 2.7L/3.5L/5.0L Flowmaster 818148 Force II Cat-Back Exhaust System

The Flowmaster 818148 Force II Cat-Back Exhaust System upgrades 2021-2026 Ford F-150 trucks with a moderate exhaust tone, improved flow, and durable stainless steel construction. Featuring a Super 50 Series muffler, dual rear exit design, polished tips, and factory-style mounting, this system delivers performance styling and reliable long-term durability.

Top Features

  • Super 50 Series three-chamber muffler provides a moderate to mild exhaust sound with improved performance.
  • 409 stainless steel construction delivers durability and corrosion resistance.
  • 3.00-inch to dual 2.50-inch mandrel bent tubing helps maximize exhaust flow.
  • Dual rear exit design with polished 4.00-inch stainless steel tips adds a custom appearance.
  • Uses factory hanger locations for an easy installation.
  • Includes necessary hardware for installation.
  • Backed by Flowmaster's Lifetime Limited Warranty.

Vehicle Fitment

  • 2021-2026 Ford F-150 2.7L
  • 2021-2026 Ford F-150 3.5L
  • 2021-2026 Ford F-150 5.0L

Fitment Notes

  • Does not fit standard cab models with 6.5-foot bed and 122-inch wheelbase.
  • Does not fit hybrid Powerboost models.
  • Does not fit models equipped with OEM active exhaust option.
Vendor: Flowmaster
SKU: FLO818148
Availability: 14 In Stock
$ 1,117.95 USD
On-Sale $ 1,117.95 USD
Normally $ 1,117.95 USD
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UPC: 090127615683
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Proposition65 Warning: Cancer and Reproductive Harm

Flowmaster 818148 Force II Cat-Back Exhaust System

The Flowmaster 818148 Force II Cat-Back Exhaust System is designed for 2021-2026 Ford F-150 trucks equipped with 2.7L, 3.5L, and 5.0L engines. This performance exhaust system delivers a moderate to mild sound level while improving exhaust flow with a durable 409 stainless steel construction. Featuring the Super 50 Series muffler with a three-chamber design and built-in resonance chamber, this system helps control interior sound levels, making it an excellent choice for towing, long-distance driving, and everyday truck use. The dual rear exit design, polished 4.00-inch stainless steel tips, and factory-style mounting provide a custom appearance with an easy installation process.

Key Features

  • Super 50 Series performance muffler provides a moderate to mild exhaust tone with improved performance characteristics.
  • Three-chamber muffler design with resonance chamber helps reduce unwanted interior exhaust sound.
  • 3.00-inch to dual 2.50-inch mandrel bent 409 stainless steel tubing supports maximum exhaust flow.
  • 409 stainless steel construction provides durability and improved long-term corrosion resistance.
  • Dual rear exit configuration with larger 4.00-inch polished stainless steel tips creates a custom truck appearance.
  • Uses factory hanger locations for straightforward installation.
  • Includes necessary hardware for installation.

Benefits

  • Enhances the Ford F-150 exhaust system with a performance-focused cat-back design.
  • Provides a refined exhaust sound suitable for towing, hauling, and extended highway driving.
  • Helps maintain reliable exhaust flow through larger diameter mandrel bent tubing.
  • Offers long-lasting performance with corrosion-resistant stainless steel materials.
  • Adds a premium custom appearance with polished stainless steel exhaust tips.
  • Backed by Flowmaster's Lifetime Limited Warranty for added product confidence.

Product Specifications

  • Brand: Flowmaster
  • Part Number: 818148
  • Product Type: Cat-Back Exhaust System
  • Exhaust Series: Force II
  • Exhaust Type: Performance
  • Exit Style: Dual Out Rear
  • Sound Level: Moderate/Mild
  • Pipe Material: 409 Stainless Steel
  • Main Piping Diameter: 2.50 inches
  • Muffler Material: 409 Stainless Steel
  • Muffler Series: Super 50
  • Muffler Type: Reflection
  • Muffler Finish: Black High-Temperature Paint Finish
  • Muffler Dimensions: 17.25-inch length x 10.00-inch width x 5.00-inch height
  • Exhaust Tip Material: 304 Stainless Steel
  • Exhaust Tip Diameter: 4.00 inches
  • Exhaust Tip Finish: Polished
  • Exhaust Tip Color: Silver
  • Exhaust Tip Quantity: 2
  • Exhaust Tip Shape: Round
  • Exhaust Tip Cut: Angled
  • Exhaust Tip Edge: Angle Cut
  • Exhaust Tip Length: 13.00 inches
  • Mount Type: Uses factory hangers
  • Clamping Type: Flat Band
  • Clamps Included: Yes
  • Hangers Included: Yes
  • Mounting Bracket Included: Yes
  • Catalytic Converter Included: No
  • Emission Code: 5
  • California Proposition 65: Yes

Install Difficulty level

This Flowmaster 818148 Force II Cat-Back Exhaust System is designed for an easy installation using factory mounting locations. Included hardware and factory hanger compatibility help simplify the installation process, making it suitable for enthusiasts performing an at-home exhaust upgrade.

Vehicle Fitment

  • 2021-2026 Ford F-150 with 2.7L engine
  • 2021-2026 Ford F-150 with 3.5L engine
  • 2021-2026 Ford F-150 with 5.0L engine

Vehicle Fitment Notes

  • Does not fit standard cab models with 6.5-foot bed and 122-inch wheelbase.
  • Does not fit hybrid Powerboost models.
  • Does not fit models equipped with OEM active exhaust option.

For questions about this product or to report product description inaccuracies, 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.

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