15-20 Ford F-150 V8 5.0L / 2.7L & 3.5L Ecoboost Roush 421985 Performance Side Exit Cat-Back Exhaust Kit

The Roush 421985 is a cat-back exhaust kit for 2015-2020 Ford F-150 trucks. It improves performance, sound, and style of your truck with a side exit design.

  • Made from high-quality 304 stainless steel
  • Produces a deep and throaty sound
  • Increases air flow and reduces back pressure
  • Easy to install with no modifications required

Vehicle Fitment

  • 2015-2020 Ford F-150 with 5.0L V8 engine
  • 2015-2020 Ford F-150 with 3.5L Ti-VCT V6 engine
  • 2015-2020 Ford F-150 with 3.5L EcoBoost V6 engine (non-raptor)
  • 2015-2020 Ford F-150 with 2.7L EcoBoost V6 engine
  • Does not fit Raptor
Vendor: Roush
SKU: RSH421985
Availability: 7 In Stock
$ 989.99 USD
On-Sale $ 989.99 USD
Normally $ 989.99 USD
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UPC: 844764006096
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Proposition65 Warning: Cancer and Reproductive Harm

Roush 421985 15-20 F-150 V8 5.0L / 2.7L & 3.5L Ecoboost Roush Side Exit Cat-Back Exhaust Kit

If you are looking for a way to enhance the performance and sound of your Ford F-150, you should consider the Roush 421985 15-20 F-150 Side Exit Cat-Back Exhaust Kit. This kit is designed to fit the 2015-2020 F150 with 5.0L, 3.5L Ti-VCT, 3.5L EcoBoost (non-raptor), or 2.7L EcoBoost engines, and it features a high-quality stainless steel construction, a sporty and aggressive sound, and a sleek side exit design.

Key Features

  • Increased air flow and less back pressure to help reach the truck’s full potential in horsepower and torque
  • Dual tips are made from 304 stainless steel, feature the ROUSH logo, and exit out of the side of the vehicle
  • The muffler, y-pipe, and inlet/outlet pipes are made from high-grade 304 stainless steel
  • Mandrel-bending of tubes to ensure consistent flow, high performance, and long-lasting durability
  • Installation is quick and easy, utilizing factory hanger locations with no vehicle modifications required
  • Includes all necessary hardware and instructions

Benefits

  • Improves the performance and efficiency of your engine
  • Enhances the appearance and style of your truck
  • Produces a deep and throaty sound that matches your truck’s power
  • Reduces exhaust drone and resonance
  • Backed by ROUSH’s 3 Year Limited Warranty

Product Specs

  • Part Number: 421985
  • Product Type: Cat-back exhaust system
  • Pipe Diameter: 3 inches
  • Tip Diameter: 4 inches
  • Tip Length: 12 inches
  • Tip Material: Polished 304 stainless steel
  • Tip Style: Dual wall, angle cut, side exit
  • Muffler Type: Straight-through, chambered
  • Muffler Material: 304 stainless steel
  • Muffler Finish: Natural
  • Pipe Material: 304 stainless steel
  • Pipe Finish: Natural

Install Difficulty Level

The installation of this kit is rated as novice, which means that anyone with basic tools and skills can complete it in about an hour and a half. The kit comes with detailed instructions that guide you through the process of cutting the factory exhaust pipe, removing the stock components, and installing the new system. You will need a metal-cutting device, a ratchet with extensions, metric socket sets, and a torque wrench.

Vehicle Fitment

This kit is designed to work on all cab and bed configurations for the following vehicles:

  • 2015-2020 Ford F-150 with 5.0L V8 engine
  • 2015-2020 Ford F-150 with 3.5L Ti-VCT V6 engine
  • 2015-2020 Ford F-150 with 3.5L EcoBoost V6 engine (non-raptor)
  • 2015-2020 Ford F-150 with 2.7L EcoBoost V6 engine
  • Does not fit Raptor

If you have any questions about this product or to report product description inaccuracies, contact the MPT Performance experts at (407) 636-7077 or by email.

Shipping Policy

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  • 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.
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Turnaround Times:

  • MPT Tunes have a standard turnaround time of 2-3 business days, beginning once we receive your MPT Tune Form.
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  • 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:

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MPT Performance Returns and Refund Policy

  • A Return Authorization Number (RA #) is required for all returns. Please contact an MPT Expert to obtain an RA# before sending anything back.
  • MPT tuning charges and license fees are non-refundable. The sale is final once MPT has sent the tune file via email, which applies to both new tune purchases and tune updates.

Returnable Products:

  • Products (other than MPT Tunes) may be returned within 30 days as long as they have not been installed and are in brand new, unused condition with original packaging. Installed products are non-refundable. MPT reserves the right to deny a return if the product shows signs of installation or damage.
  • Vehicle programmers/tuners that have loaded a tune onto a vehicle cannot be returned.

Refund Amounts:

  • Returns postmarked within 15 days of receipt will be refunded the purchase price minus the shipping cost MPT paid.
  • Returns postmarked between 16 and 30 days will be refunded the purchase price minus a 25% restocking fee and the shipping cost.
  • After 30 days, all sales are final.

Non-Refundable Items:

  • Shipping charges and any package insurance are non-refundable. If free shipping was applied to your purchase, the actual shipping cost will be subtracted from your refund.
  • HP Tuners Credits are non-refundable once they’ve been assigned to a device’s serial number, which occurs either during the purchase or upon completing the tune form.
  • Digital products like SCT Tuner Unlocks, HP Tuners Credits, or MPT Tunes cannot be refunded.
  • Decals/Stickers are non-refundable once received by the customer.
Year Make Model Submodel
2015-2020 Ford F-150 King Ranch
2015-2020 Ford F-150 Lariat
2016-2020 Ford F-150 Limited
2015-2020 Ford F-150 Platinum
2018-2020 Ford F-150 Police Responder
2017-2020 Ford F-150 Raptor
2016-2020 Ford F-150 SSV
2015-2020 Ford F-150 XL
2015-2020 Ford F-150 XLT

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