FREE 1 to 3-Day Delivery on Orders $149+ Details

Hello, Sign In My Account
Sign In
New Customer? Start Here
Cart(0)
View Cart (0)

ExtremeTerrain.com

Change Vehicle
4Runner Builds Gallery

2025-2026
2010-2024
2003-2009

Selected

Deals

Most Popular Clearance Just Reduced! Military, Medical & First Responder Program New Products Open Box Rebates Shop by Brands

Shop All Deals
Lifestyle

Apparel Audio & CB Equipment Automotive Cameras Automotive Detailing Backup Camera Systems Camping Accessories & Gear Gift Cards License Plates & Frames Paints & Coatings Pet Accessories Safety Gear & Equipment Specialty Tools & Maintenance Sun Shades Toys & Collectibles

Shop All Lifestyle
Armor

Body Armor Bumpers Rock Sliders & Rocker Guards Roll Bars & Cages Running Boards & Side Steps Skid Plates

Shop All Armor
Bumpers

Bumper Accessories Bumper Mounted Lights Front Bumpers Grille Guards Hitches & Towing Rear Bumpers Tire Carriers Winches

Shop All Bumpers
Drivetrain

Axles & Hubs Brakes Clutch Kits & Clutch Accessories Driveshafts & U-Joints Lockers Oils & Fluids Ring & Pinion Gears Shift Knobs Slip Yoke Eliminator Kits Transfer Case Drops Transfer Cases Transmission & Transfer Case Upgrades Transmissions

Shop All Drivetrain
Engine

Alternators & Starters Batteries Cold Air Intakes & Air Filters Cooling System ECUs & Engine Management Systems Engine Dressup Fabrication Parts & Accessories Fuel System Gaskets, Seals & Filters Heating & A/C Parts Ignition Internal Engine Parts Nitrous Kits Oil Catch Cans Oil Pans & Parts Oils & Fluids Remote Start, Keyless Entry, & Alarm Reservoir Tanks Sensors & Sending Units Snorkels Supercharger Kits Throttle Body Spacers Throttle Enhancement Tuners

Shop All Engine
Exhaust

Cat-Back Exhaust Exhaust Accessories Headers Mid-Pipes Mufflers Stock Replacement Exhaust

Shop All Exhaust
Exterior

Antennas Bike Racks Body Armor Body Kits, Spoilers, & Trim Bug Deflectors & Window Visors Bumpers Caliper Covers Doors & Door Accessories Fender Flares & Fenders Fuel Doors & Gas Caps Grille Inserts & Overlays Hoods & Hood Accessories Inner Fender Light & Window Tint Lights Mirrors Mud Flaps & Guards Offroad Storage & Tool Boxes Rear Cargo Racks Restoration Parts Rock Sliders & Rocker Guards Roll Bars & Cages Roof Racks Running Boards & Side Steps Skid Plates Stickers & Vinyl Decals Tire Carriers Tire Covers Tops Vinyl Wrap & PPF Accessories

Shop All Exterior
Interior

Audio & CB Equipment Center Consoles Floor Mats Gauges Grab Handles & Padding Headliners Interior Lighting Interior Restoration Interior Storage Interior Trim Navigation Systems Rear Cargo Storage Remote Start, Keyless Entry, & Alarm Seat Covers Seats & Hardware Shift Knobs Steering Wheel Covers & Steering Wheels Sun Visors Switches

Shop All Interior
Lift Kits

1-2.5" Lift Kits 2.5-3.75" Lift Kits 4-4.75" Lift Kits Leveling Kits

Shop All Lift Kits
Lights

Auxiliary & Off-Road Lighting Bulbs Headlights Interior Lighting Light & Window Tint Light Bars & Mounts Light Guards & Covers Parking & Fog Lights Rock Lights Tail Lights

Shop All Lights
Suspension

Air Springs & Accessories Brakes Bump Stops Bushings & Body Mounts Coil Over Kits Coil Spring Spacers Coil Springs & Accessories Control Arms & Accessories Handling Kits Leveling Kits Lift Kits Long Arm Upgrade Kits Lowering Kits Shocks & Struts Slip Yoke Eliminator Kits Steering Components Subframe Connectors & Braces Sway Bars, Links & Disconnects Tie Rods, Ends, & Ball Joints Track Bars Transfer Case Drops

Shop All Suspension
Tops

Cab Covers Cargo Nets Hard or Soft Top Replacement Parts Mesh Tops Soft Top Accessories Soft Tops & Soft Top Accessories Upper Half Doors, Skins, & Hardware

Shop All Tops
Winches

Compressors & Onboard Air Recovery Gear Winches

Shop All Winches
Wheels & Tires

Tire Carriers Tire Covers Tires Wheel & Tire Accessories Wheel & Tire Packages Wheels

Shop All Wheels & Tires

New Year, New Build! WIN $4K Enter Daily >

Have a minute to review your recent purchases?

2003-2009 Toyota 4Runner Accessories & Parts
2003-2009 Toyota 4Runner Engine Performance Parts

2003-2009 Toyota 4Runner Nitrous Kits

1-3 Day Delivery

to: 43215

Please enter a valid US or CA postal code

We're sorry, zip can't be updated at this time.

Open Box Items Only

Sale Items Only

Featured Brands

Shop 4Runner 2003-2009 Nitrous Kits: 3D Builder

Please tell us about your 4Runner

Please enter your email to save your Virtual Build

No thanks

Terms & Conditions

Close X

Enter Your Email to Save Products.

By entering your email, you agree to our Privacy Policy and Terms & Conditions, and to receive recurring automated marketing emails from ExtremeTerrain.

Best Selling Intake for JL Wrangler

(156)

K&N Drop-In Replacement Air Filter (18-26 2.0L or 3.6L Jeep Wrangler JL)
$68.99
(5)

S&B Cold Air Intake Replacement Oiled Cleanable Cotton Air Filter (12-26 2.0L or 3.6L Jeep Wrangler JK & JL)
$69.00
(60)

Turbosmart Kompact Dual Port Blow Off Valve (18-22 2.0L Jeep Wrangler JL)
$303.95
(500+)

S&B Cold Air Intake with Oiled Cleanable Cotton Filter (18-26 3.6L Jeep Wrangler JL)
$349.00
(194)

Rough Country Cold Air Intake (18-26 3.6L Jeep Wrangler JL)
$129.95
(500+)

S&B Cold Air Intake with Oiled Cleanable Cotton Filter (18-23 2.0L Jeep Wrangler JL, Excluding 4xe)
$349.00
(500+)

S&B Cold Air Intake with Dry Extendable Filter (18-26 3.6L Jeep Wrangler JL)
$349.00
(122)

Rough Country Throttle Body Spacer (12-26 3.6L Jeep Wrangler JK & JL)
$59.95

Recently Added: JL Wrangler;Nitrous Accessories

Nitrous Outlet Big Show Stand Alone Purge Kit (Universal; Some Adaptation May Be Required)
$696.99
(1)

Nitrous Outlet ProMax Dual Channel Progressive Controller Kit (Universal; Some Adaptation May Be Required)
$1,393.99
Nitrous Outlet WinMax TPS and RPM Activated Nitrous Window Switch (Universal; Some Adaptation May Be Required)
$283.99
Billet Nitrous Bottle Valve Handle Knob Wheel (Universal; Some Adaptation May Be Required)
$29.99
Nitrous Outlet Big Show Stand Alone Purge Kit (Universal; Some Adaptation May Be Required)
$696.99
Nitrous Outlet WinMax TPS and RPM Activated Nitrous Window Switch (Universal; Some Adaptation May Be Required)
$283.99

Off-Road 4x4 Parts & Accessories
4x4 Engine Performance Parts
Nitrous Kits

Community Support

XT Blog
Clean Trails
XT Decal

Resources

Projects & Builds
Throttle Out Episodes
Events
Shop Parts By Color
Shop Parts By Year
Shop Parts by Brand
Shop Jeep Parts & Accessories
Technical Guides
XT Blog
Request a Free Catalog
View Digital Catalog

Customer Service

Where's my order?
Start a Return
Return Policy
Got Questions?
Customer Service
Chat with us!
Military, Medical & First Responder Program
Terms of Use

About

Overview
Giving Back
Submit a Guide
Careers
Charity Auto Show
Dealer Program
Sales Techs
Reviews

Shop 4Runner

Shop Toyota 4Runner Parts & Accessories

Shop Jeep Wrangler
Shop Jeep Gladiator
Shop Jeep Cherokee
Shop Jeep Grand Cherokee
Shop Jeep Renegade
Shop Ford Bronco
Shop Ford Bronco Sport
Shop Toyota Tacoma
Shop Toyota Tundra
Shop Nissan Frontier
Shop Nissan Titan
Shop Nissan Titan XD

2024 4Runner Parts
2023 4Runner Parts
2022 4Runner Parts
2021 4Runner Parts
2020 4Runner Parts
2019 4Runner Parts
2018 4Runner Parts
2017 4Runner Parts
2016 4Runner Parts
2015 4Runner Parts
2014 4Runner Parts
2013 4Runner Parts
2012 4Runner Parts
2011 4Runner Parts
2010 4Runner Parts
2009 4Runner Parts
2008 4Runner Parts
2007 4Runner Parts
2006 4Runner Parts
2005 4Runner Parts
2004 4Runner Parts
2003 4Runner Parts

Enter Your Email For Deals & Offers

By entering your email, you agree to our Privacy Policy and Terms & Conditions, and to receive recurring automated marketing emails from ExtremeTerrain.

Connect With Us

Connect with us on Facebook
ExtremeTerrain on Youtube
Connect with us on Instagram

AmericanMuscle
AmericanTrucks
ExtremeTerrain
Ecklers

CHRYSLER, JEEP, JEEP WRANGLER, WRANGLER UNLIMITED, RUBICON, WRANGLER JK, WRANGLER TJ, WRANGLER YJ, CJ7, CHEROKEE, GRAND CHEROKEE, RENEGADE, LAREDO, SRT, SRT8, TRACKHAWK LATITUDE, LIMITED, SPORT, TRAILHAWK, 75TH ANNIVERSARY, DAWN OF JUSTICE, ALTITUDE, HIGH ALTITUDE, UPLAND, 80TH ANNIVERSARY, ISLANDER, JEEPSTER AND RED ARE REGISTERED TRADEMARKS OF CHRYSLER GROUP LLC. TACOMA, TACOMA SR, TACOMA SR-5, TOYOTA RACING DEVELOPMENT (TRD), TACOMA LIMITED, TUNDRA, TUNDRA SR, TUNDRA SR-5, TUNDRA TRD PRO, TUNDRA LIMITED, 4RUNNER, 4RUNNER SR-5, 4RUNNER LIMITED, 4RUNNER NIGHTSHADE, AND 4RUNNER TRD OFFROAD ARE REGISTERED TRADEMARKS OF TOYOTA MOTOR CORPORATION. FORD, BRONCO, BRONCO SPORT, BADLANDS, BIG BEND, BLACK DIAMOND, OUTER BANKS, WILDTRAK, AND ECOBOOST ARE REGISTERED TRADEMARKS OF THE FORD MOTOR COMPANY. COLORADO, Z71, ZR2, TRAIL BOSS, DURAMAX AND CHEVROLET ARE REGISTERED TRADEMARKS OF GENERAL MOTORS COMPANY (GM). FRONTIER, TITAN, NISMO, PRO-4X, PRO-X, AND PLATINUM RESERVE ARE REGISTERED TRADEMARKS OF THE NISSAN MOTOR CORPORATION. EXTREMETERRAIN HAS NO AFFILIATION WITH CHRYSLER GROUP LLC., TOYOTA MOTOR CORPORATION, NISSAN MOTOR CORPORATION, GENERAL MOTORS OR FORD MOTOR COMPANY. THROUGHOUT OUR WEBSITE AND CATALOGS THESE TERMS ARE USED FOR IDENTIFICATION PURPOSES ONLY. EXTREMETERRAIN PROVIDES JEEP, TOYOTA, NISSAN AND FORD ENTHUSIASTS WITH THE OPPORTUNITY TO BUY THE BEST JEEP WRANGLER, TOYOTA, NISSAN AND FORD BRONCO PARTS AT ONE TRUSTWORTHY LOCATION.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Request your Free Wrangler Catalog in under a minute

First Name

Last Name

By entering your email, you agree to our Privacy Policy and Terms & Conditions, and to receive recurring automated marketing emails from ExtremeTerrain.

*Required field

Address

Apt / Suite / PO Box

Zip / Postal Code

City

State

Country

*Required field

Receive text messages for special offers and discounts.

Mobile Number

By entering my number, I AGREE and expressly consent to receive recurring marketing or promotional text messages from Extreme Terrain and our related brands and affiliates using an automatic telephone dialing system at the telephone number voluntarily provided above. Message frequency may vary. Consent to receive text messages for these purposes is not a condition of any purchase, service, or sweepstakes entry. Msg and data rates may apply. Reply HELP to 77572 for help. Reply STOP to 77572 to cancel. View Terms & Privacy Policy.

Coming Soon!

A catalog for Wrangler isn't available yet.

$10 off your first order!

Enter your email to receive your coupon code and start upgrading your Wrangler

No thanks

By using our website, you agree to our Privacy Policy and Terms & Conditions.

FREE 4RUNNER CATALOG! TRANSFORM YOUR RIDE TODAY Request Now

This site uses cookies to provide you with the best experience possible.
Read our Privacy Policy

Have a minute to review your recent purchases?

2003-2009 Toyota 4Runner Nitrous Kits

Shop 4Runner 2003-2009 Nitrous Kits: 3D Builder

Please tell us about your 4Runner

Best Selling Intake for JL Wrangler

Recently Added: JL Wrangler;Nitrous Accessories

Recently Viewed

Community Support

XT Blog

Clean Trails

XT Decal

Request your Free Wrangler Catalog in under a minute

Coming Soon!

$10 off your first order!