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Vehicle modifications & fitment guides

2021 Ford F-150

Modification guide & specs

2021 Ford F-150 Mods, Accessories & Specs

Complete guide to modifying and maintaining the 2021 Ford F-150. Engine output ranges up to 290–400 hp depending on trim. Real fitment data, cost estimates, and a build roadmap backed by our vehicle and product database.

Fourteenth generation (P702) Truck

Vehicle Summary

Engine2.7L V-6, 3.3L V-6, 3.5L V-6, 5.0L V-8
Horsepower290–400 hp
0-60 Time5.6–7.5 sec
Ground Clearance8.2–9.4 in
Cargo Space8.8–50.9 cu ft
Towing5,000–11,000 lbs

Modification Goals

Jump straight to the category that matches what you want to improve:

Suspension Modifications

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Coilovers

$300–$450 parts
Install: $200–$350 DIY: "Difficult, needs a fair bit of time and patience." Popularity: 28%

Behold, the epitome of suspension wizardry - Coilovers! Embrace the road like never before, as these babies transform your Ford F-150 into a nimble beast, devouring twists and turns with the grace of a ballet dancer. Say goodbye to rough rides and hello to an all-American automotive thrill!

Exterior Modifications

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JDM Tow Strap

$25–$75 parts
DIY: "Effortless, just like flipping a switch." Popularity: 41%

Miscalculated your speed in a corner and went off the road? Suddenly punctured the radiator and the car boiled somewhere far from home? Well, bad things happen, so don't get upset. All you need is a friend who will be ready to come to the rescue and get you out. And a tow strap. An indispensable attribute of Japanese …

Matching Amazon products for this upgrade are being verified for compatibility.

Fender Flares

$10–$900 parts
DIY: "Medium, a bit of a brain teaser." Popularity: 23%

Have you ever seen a sports car? Its streamlined shape, wide arches, and wheels protruding from underneath? The truth is that you can easily make your car look like that - install fender flares. They perform several functions at once - they make your car visually wider and also protect the paintwork of your car from d…

Towing Modifications

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Performance Modifications

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Cold Air Intakes

$200–$450 parts
DIY: "Easy-peasy, almost a cakewalk." Popularity: 37%

Well, this right here is what we call a game-changer, ladies and gentlemen - the Cold Air Intake! It's like giving your car a breath of fresh, icy air, waking up that slumbering engine and unleashing its full American muscle potential. Buckle up and get ready for a serious boost in performance and a symphony of power …

Turbocharger

$400–$5,000 parts
Install: $800–$3,200 DIY: "Quite tough, like a hard puzzle." Popularity: 17%

What could be more pleasant for a car enthusiast than the roar of the engine of his favorite ride? Perhaps that roar mixed with the whistle of a turbo. Install a turbocharger on your Ford F-150 and get a pleasant power bonus - 10, 20, or even 100 horsepower - it all depends on the original engine performance!

Matching Amazon products for this upgrade are being verified for compatibility.

Exhaust Modifications

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Custom Mufflers

$100–$1,000 parts
Install: $150–$300 DIY: "Difficult, needs a fair bit of time and patience." Popularity: 42%

Not satisfied with the sound inside? Want everyone around you to know that you are the fastest and most powerful racer in the whole neighborhood? Install a custom muffler on your car and your ride will sing in a whole new way.

Brakes Modifications

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Brake Rotors

$40–$500 parts
Install: $400–$1,200 DIY: "Medium, a bit of a brain teaser." Popularity: 72%

Every day you accelerate your car to amazing speeds - but are you sure it can stop at the crucial moment? Are you confident in your brakes when you step on the gas? Don't forget that overheating causes your brake disks to deteriorate and they can't perform as well as they should. So if you're a fan of speed - make sur…

Lighting Modifications

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Headlights

$80–$700 parts
Install: $150–$450 DIY: "Somewhat challenging, like a small hill to climb." Popularity: 50%

Do not neglect your safety on the road - it is important not only to see what is happening in front of you but also to perform all steps to be visible to other drivers. Take care of your headlights - change a burned-out bulb in time or even consider installing brighter types of bulbs - this will not only allow you to …

Turn Signal Bulbs

$8–$60 parts
DIY: "Effortless, just like flipping a switch." Popularity: 45%

OEM replacement bulb sizes for this vehicle's turn Signal Light Bulb Front(with halogen headlights), Turn Signal Light Bulb Front(with LED headlights), Turn Signal Light Bulb Rear(with halogen headlights), Turn Signal Light Bulb Rear(with LED headlights): 7444NA, LED, 3157. Always match the exact part number for a sec…

Interior Bulbs

$8–$60 parts
DIY: "Effortless, just like flipping a switch." Popularity: 30%

OEM replacement bulb sizes for this vehicle's dome Light Bulb, Map Light Bulb, Trunk or Cargo Area Light(with halogen headlights), Trunk or Cargo Area Light(with LED headlights): LED, 912. Always match the exact part number for a secure, reliable fit.

Interior Modifications

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Phone Holders

$10–$65 parts
DIY: "Child's play, no sweat." Popularity: 68%

The phone is an indispensable part of our lives because it has literally everything that modern man needs. And the need for a phone does not disappear even while driving a car - very often it is necessary in time to answer a business call or check with the navigator. And we have to puzzle over where to put the phone. …

Matching Amazon products for this upgrade are being verified for compatibility.

Seat Covers

$20–$80 parts
DIY: "Effortless, just like flipping a switch." Popularity: 42%

Want to keep your car seats in pristine condition? Well, there are two solutions for you - cover them with film, put the car in the garage and use public transportation, or buy seat covers. This simple invention will not only protect the interior of your car from dirt, debris, and damage but will also enhance its appe…

Custom Shift Knobs

$5–$175 parts
DIY: "Easy-peasy, almost a cakewalk." Popularity: 27%

Have you already modified your car in all sorts of ways, but you still miss the individuality? Try installing a custom shift knob; every look at it will make you smile. There is a huge variety of such accessories. A skull, a bullet, a billiard ball? No problem. Customize your car easily. You can choose such goods for …

Matching Amazon products for this upgrade are being verified for compatibility.

Audio Modifications

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Speakers

$50–$300 parts
Install: $100–$400 DIY: "Difficult, needs a fair bit of time and patience." Popularity: 52%

In the world of automotive audio, some say a symphony on wheels is the ultimate driving experience. These speakers aren’t just equipment; they're a ticket to an auditory grand prix. You haven’t truly felt the road's rhythm until these beauties belt out the tunes. Transform every drive into a concert; because, let’s fa…

Subwoofer

$150–$2,000 parts
Install: $100–$450 DIY: "Somewhat challenging, like a small hill to climb." Popularity: 18%

Do you have a powerful audio system, a great song is playing, but you still feel like something is out of place? Perhaps you are missing the right amount of volume? Install a powerful subwoofer and trust me, the sound will be powerful and deep - you'll hear every bass.

Modification Roadmap

A typical build path for the 2021 Ford F-150, in order:

  1. Maintenance & inspection Ensure fluids, filters, tires, and wear items are in good condition before modifying anything.
  2. Lift & stance A leveling or lift kit and matching tires/wheels are usually the first change on a truck build.
    Est. $500–$4,200
  3. Grip & braking Upgraded brake pads or rotors keep stopping power in check after adding weight, height, or larger tires.
    Est. $440–$1,700
  4. Bed & towing setup Tonneau covers, bed protection, and a properly rated towing hitch turn the truck into a real work or tow vehicle.
    Est. $350–$2,150
  5. Off-road & lighting Off-road protection, light bars, and running boards round out the build for trail or job-site use.
    Est. $8–$100
Estimated full build: $1,298–$8,150 including installation. Actual cost depends on the specific parts and installer you choose.

Technical Specifications

Performance

  • Engine Options2.7L V-6, 3.3L V-6, 3.5L V-6, 5.0L V-8
  • Horsepower290–400 hp
  • Torque265–500 lb-ft
  • 0-60 mph5.6–7.5 sec

Exterior & Fitment

  • Wheels17 silver aluminum, 17 silver steel, 18 machined w/painted accents aluminum, 20 polished aluminum, 22 polished aluminum
  • TiresP245/70SR17.0 BSW AS, P265/60SR18.0 BSW AS, P265/70SR17.0 OWL AT, P275/50SR22.0 BSW AS, P275/60SR20.0 BSW AS, P275/60SR20.0 BSW AT, P275/65SR18.0 OWL AT
  • Ground Clearance8.2–9.4 in

Maintenance & Capacity

  • Cargo Space8.8–50.9 cu ft
  • Max Towing5,000–11,000 lbs

Specs by Trim

TrimEngineHP0-60WheelsCargo
King Ranch 4x2 SuperCrew Cab Styleside 5.5 ft. box 145 in. WB 5.0L V-8 400 5.6s 18 machined w/painted accents aluminum 50.9 cu ft
King Ranch 4x2 SuperCrew Cab Styleside 6.5 ft. box 157 in. WB 5.0L V-8 400 5.6s 18 machined w/painted accents aluminum 50.9 cu ft
King Ranch 4x4 SuperCrew Cab Styleside 5.5 ft. box 145 in. WB 5.0L V-8 400 5.6s 18 machined w/painted accents aluminum 50.9 cu ft
King Ranch 4x4 SuperCrew Cab Styleside 6.5 ft. box 157 in. WB 5.0L V-8 400 5.6s 18 machined w/painted accents aluminum 50.9 cu ft
Lariat 4x2 SuperCab Styleside 6.5 ft. box 145 in. WB 2.7L V-6 325 6.9s 18 machined w/painted accents aluminum 30.6 cu ft
Lariat 4x2 SuperCab Styleside 8 ft. box 163 in. WB 2.7L V-6 325 6.9s 18 machined w/painted accents aluminum 30.6 cu ft
Lariat 4x2 SuperCrew Cab Styleside 5.5 ft. box 145 in. WB 2.7L V-6 325 6.9s 18 machined w/painted accents aluminum 50.9 cu ft
Lariat 4x2 SuperCrew Cab Styleside 6.5 ft. box 157 in. WB 2.7L V-6 325 6.9s 18 machined w/painted accents aluminum 50.9 cu ft
Lariat 4x4 SuperCab Styleside 6.5 ft. box 145 in. WB 2.7L V-6 325 6.9s 18 machined w/painted accents aluminum 30.6 cu ft
Lariat 4x4 SuperCab Styleside 8 ft. box 163 in. WB 5.0L V-8 400 5.6s 18 machined w/painted accents aluminum 30.6 cu ft
Lariat 4x4 SuperCrew Cab Styleside 5.5 ft. box 145 in. WB 2.7L V-6 325 6.9s 18 machined w/painted accents aluminum 50.9 cu ft
Lariat 4x4 SuperCrew Cab Styleside 6.5 ft. box 157 in. WB 5.0L V-8 400 5.6s 18 machined w/painted accents aluminum 50.9 cu ft
Limited 4x2 SuperCrew Cab Styleside 5.5 ft. box 145 in. WB 3.5L V-6 400 5.6s 22 polished aluminum 50.9 cu ft
Limited 4x4 SuperCrew Cab Styleside 5.5 ft. box 145 in. WB 3.5L V-6 400 5.6s 22 polished aluminum 50.9 cu ft
Platinum 4x2 SuperCrew Cab Styleside 5.5 ft. box 145 in. WB 5.0L V-8 400 5.6s 20 polished aluminum 50.9 cu ft
Platinum 4x2 SuperCrew Cab Styleside 6.5 ft. box 157 in. WB 5.0L V-8 400 5.6s 20 polished aluminum 50.9 cu ft
Platinum 4x4 SuperCrew Cab Styleside 5.5 ft. box 145 in. WB 5.0L V-8 400 5.6s 20 polished aluminum 50.9 cu ft
Platinum 4x4 SuperCrew Cab Styleside 6.5 ft. box 157 in. WB 5.0L V-8 400 5.6s 20 polished aluminum 50.9 cu ft
XL 4x2 Regular Cab Styleside 6.5 ft. box 122 in. WB 3.3L V-6 290 7.5s 17 silver steel 8.8 cu ft
XL 4x2 Regular Cab Styleside 8 ft. box 141 in. WB 3.3L V-6 290 7.5s 17 silver steel 8.8 cu ft
XL 4x2 SuperCab Styleside 6.5 ft. box 145 in. WB 3.3L V-6 290 7.5s 17 silver steel 30.6 cu ft
XL 4x2 SuperCab Styleside 8 ft. box 163 in. WB 2.7L V-6 325 6.9s 17 silver steel 30.6 cu ft
XL 4x2 SuperCrew Cab Styleside 5.5 ft. box 145 in. WB 3.3L V-6 290 7.5s 17 silver steel 50.9 cu ft
XL 4x2 SuperCrew Cab Styleside 6.5 ft. box 157 in. WB 2.7L V-6 325 6.9s 17 silver steel 50.9 cu ft
XL 4x4 Regular Cab Styleside 6.5 ft. box 122 in. WB 3.3L V-6 290 7.5s 17 silver steel 8.8 cu ft
XL 4x4 Regular Cab Styleside 8 ft. box 141 in. WB 3.3L V-6 290 7.5s 17 silver steel 8.8 cu ft
XL 4x4 SuperCab Styleside 6.5 ft. box 145 in. WB 3.3L V-6 290 7.5s 17 silver steel 30.6 cu ft
XL 4x4 SuperCab Styleside 8 ft. box 163 in. WB 5.0L V-8 400 5.6s 17 silver steel 30.6 cu ft
XL 4x4 SuperCrew Cab Styleside 5.5 ft. box 145 in. WB 3.3L V-6 290 7.5s 17 silver steel 50.9 cu ft
XL 4x4 SuperCrew Cab Styleside 6.5 ft. box 157 in. WB 5.0L V-8 400 5.6s 17 silver steel 50.9 cu ft
XLT 4x2 Regular Cab Styleside 6.5 ft. box 122 in. WB 3.3L V-6 290 7.5s 17 silver aluminum 8.8 cu ft
XLT 4x2 Regular Cab Styleside 8 ft. box 141 in. WB 3.3L V-6 290 7.5s 17 silver aluminum 8.8 cu ft
XLT 4x2 SuperCab Styleside 6.5 ft. box 145 in. WB 3.3L V-6 290 7.5s 17 silver aluminum 30.6 cu ft
XLT 4x2 SuperCab Styleside 8 ft. box 163 in. WB 2.7L V-6 325 5.9s 17 silver aluminum 30.6 cu ft
XLT 4x2 SuperCrew Cab Styleside 5.5 ft. box 145 in. WB 3.3L V-6 290 7.5s 17 silver aluminum 50.9 cu ft
XLT 4x2 SuperCrew Cab Styleside 6.5 ft. box 157 in. WB 2.7L V-6 325 6.9s 17 silver aluminum 50.9 cu ft
XLT 4x4 Regular Cab Styleside 6.5 ft. box 122 in. WB 3.3L V-6 290 7.5s 17 silver aluminum 8.8 cu ft
XLT 4x4 Regular Cab Styleside 8 ft. box 141 in. WB 3.3L V-6 290 7.5s 17 silver aluminum 8.8 cu ft
XLT 4x4 SuperCab Styleside 6.5 ft. box 145 in. WB 3.3L V-6 290 7.5s 17 silver aluminum 30.6 cu ft
XLT 4x4 SuperCab Styleside 8 ft. box 163 in. WB 5.0L V-8 400 5.6s 17 silver aluminum 30.6 cu ft
XLT 4x4 SuperCrew Cab Styleside 5.5 ft. box 145 in. WB 3.3L V-6 290 7.5s 17 silver aluminum 50.9 cu ft
XLT 4x4 SuperCrew Cab Styleside 6.5 ft. box 157 in. WB 5.0L V-8 400 5.6s 17 silver aluminum 50.9 cu ft

Frequently Asked Questions

Which engine is best for modifying the 2021 Ford F-150?

The 2021 Ford F-150 was offered with 2.7L V-6, 3.3L V-6, 3.5L V-6, 5.0L V-8 producing 290–400 hp. Higher-output engine/trim combinations generally have more aftermarket support for intake, exhaust, and forced-induction upgrades, but always confirm parts against your exact trim.

What wheels and tires fit the 2021 Ford F-150?

Factory wheel/tire combinations for this model year include 17 silver aluminum, 17 silver steel, 18 machined w/painted accents aluminum, 20 polished aluminum, 22 polished aluminum with tire sizes such as P245/70SR17.0 BSW AS, P265/60SR18.0 BSW AS, P265/70SR17.0 OWL AT, P275/50SR22.0 BSW AS, P275/60SR20.0 BSW AS, P275/60SR20.0 BSW AT, P275/65SR18.0 OWL AT. Verify bolt pattern, offset, and clearance before buying aftermarket wheels.

What are the best first mods for the 2021 Ford F-150?

Most owners start with maintenance items, then move to tires and brake upgrades, followed by suspension and basic bolt-on intake/exhaust performance parts before considering forced induction or tuning.

How much cargo space does the 2021 Ford F-150 have?

Cargo space is approximately 8.8–50.9 cu ft depending on trim and body style. Roof racks, cargo carriers, and towing hitches can add capacity for trips that exceed the trunk volume.

How much does a typical build cost?

A full roadmap covering brakes, suspension, and bolt-on performance for this vehicle typically runs about $1,298–$8,150 including installation, though costs vary by parts chosen and whether you install them yourself.

Are there safety or legal considerations?

Brake, suspension, lighting, and exhaust modifications can affect vehicle safety, emissions compliance, and local noise or lighting laws. Confirm regulations in your area and use a qualified installer for safety-critical parts.