2003 Lexus IS Performance Parts

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    • (0 reviews)
      # mpn1098598
      Lexus IS 2003, Street Series™ Stainless Steel Cat-Back Exhaust System with Single Rear Exit by MagnaFlow®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.5". Exhaust System Sound: Moderate....
      $684.92
    • (0 reviews)
      # 1088700970
      Lexus IS 2003, 1-Click Z23 Evolution Sport Drilled and Slotted Brake Kit with Calipers by Power Stop®. Get superior benefits of ceramic pads and cross-drilled rotors in the Power Stop 1-Click Brake kit. These components are used in...
      Precision machined using a Tru-Cast™ technologyRotor run out is within 0.0015 and DTV tolerance specification is within 0.005
      $288.45 - $610.30
    • (0 reviews)
      # mpn2883430115
      Lexus IS Chassis # JCE10 2003, Kontrol Pro Front and Rear Lowering Coilovers with 0.5"-2.5" Front and Rear Body Drop by KSport®. Quantity: Sold as a Kit. Ksport Kontrol Pro Fully Adjustable Coilover Kits provide the ultimate in...
      $850.00
    • (1 review)
      # 377217640
      Lexus IS 2003, IS Series Polished Silver Short Ram Air Intake System by Injen®. The IS Series is a traditional, underhood air intake system that takes the place of your factory airbox and air filter, and the factory air intake tube. The...
      Improves airflow into the engineIncreases horsepower
      $295.77
    • (0 reviews)
      # mpn4478774946
      Lexus IS Sportcross 2003, V-Force Plus Performance Module by JET®. The JET V-Force Plus features the same power tuning technology found in JET’s performance modules/programmers. The JET V-Force Plus is an inline tuning device that...
      Improve horsepower and throttle responseOptimized ignition advance curves
      $274.46
    • (0 reviews)
      # mpn4498420066
      Lexus IS 2003, Crankshaft by Brian Crower®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $3,880.58
    • (0 reviews)
      # mpn2264860
      Lexus IS Standard Transmission 2003, Performance Aluminum Radiator by Mishimoto®. The Mishimoto performance aluminum radiator is designed and engineered to maximize cooling efficiency, boost engine functions, and most importantly...
      Direct fit for the 2001–2005 Lexus IS300 3.0LFull aluminum construction with durable, TIG-welded end tanks
      $255.00
    • (0 reviews)
      # mpn487483826
      Lexus IS Standard Transmission 2003, Stage 1 Clutch Kit by SPEC®. Does not Include: Flywheel. Clutch Torque Rating: 285 ft/lbs. Features an integrally molded carbon kevlar-based, high performance organic lining that offers smooth...
      High clamp pressure plateSteel-backed and multi-compound woven organic material
      $378.00
    • (0 reviews)
      # 24841805
      Lexus IS 2003, Fuel Injector Set by DeatschWerks®. Every set of fuel injectors is flow-matched and balanced for reliable and efficient performance. To ensure you get nothing less than the highest level of quality and durability, every...
      Improves fuel flow and performanceMulti-point dynamic set matching
      $479.00 - $1,229.00
    • (3 reviews)
      # 803916408
      Lexus IS Sportcross 2003, PlasmaCore™ Inconel Electrode Pulse Nickel Spark Plugs by Pulstar®. With Resistor. Inconel-electrode Pulse Plug. Designed specifically for most popular vehicles, PlasmaCore™ Inconel Electrode Pulse Plug...
      Increased horsepowerBetter torque
      $14.95 - $89.70
    • (0 reviews)
      # mpn3800686210
      Lexus IS 2003, Front Driver Side Outer Bent Tie Rod End by Proforged®. Quantity: 1 per Pack. Proforged applied the same technological advancements in ball joint construction to their line of Tie Rod Ends and Rack Ends, delivering a...
      SAE1045 forged steeling housingsBall studs forged from ultra-strong SAE4140 chromoly steel
      $30.27
    • (0 reviews)
      # 985154426
      Universal Advanced Lightweight 12V AGM Battery by Braille Battery®. Battery Type: AGM. Voltage: 12V. Batteries have always presented the same problems of weight, safety, and cost. In racing, aerospace, and advanced technology...
      Proudly Made in the USASealed absorbed glass mat (AGM) design that incorporates special glass fiber mats that contain the acid electrolyte between the lead plates, rather than a standard flooded (liquid) design
      $149.99 - $229.99
    • (0 reviews)
      # mpn4517285384
      Lexus IS 2003, Rear CV Axle Assembly by Heri®. Offers close to 100% application coverage with premium-quality 100% New Constant Velocity Drive Axles throughout the North American aftermarket. CV joints are new to ensure OE quality and...
      Precision rolled threads and splines for hassle-free installationBearings, races & housing heat treated to original equipment or better specifications for long life
      $71.77
    • (0 reviews)
      # 48222560
      Club X-1 Full Face ATM (Advance Thermo Material) Racing Helmet by Sparco®. Certification: ECE 05; Material: ATM (Advance Thermo Material) Designed for indoor kart racing where a fire proof helmet isn't required, this product is...
      Designed for indoor kart racingProvides ultimate protection
      $140.00
    • (0 reviews)
      # 450479564
      Universal PowerPack™ Turbocharger System by Banks®. The Banks Power Dual Exhaust PowerPack System is the complete towing package your pickup truck, with extended cab short bed configuration, deserves.
      Stunning Top GainsImproved Mileage
      $2,198.00 - $2,798.00
    • (0 reviews)
      # 1119812605
      Lexus IS 2003, Stainless Steel Cat-Back Exhaust System with Single Rear Exit by Torxe™. Exhaust Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.5". Exhaust System Sound: Aggressive / Loud. This product...
      $180.00 - $200.00
    • (1 review)
      # 4042009
      Lexus IS 2003, Redstuff Ceramic Low Dust Brake Pads by EBC®. This set of replacement ceramic brake pads offers OEM quality fit and operation with the superior stopping power, longer life, reduced brake fade, and lower dust buildup that...
      $94.31 - $114.97
    • (0 reviews)
      # mpn674206225
      Lexus IS 1st Generation 2003, Front Performance Air Suspension Lowering Kit With 4.8" Front Body Drop by Air Lift®. Quantity: Sold as a Kit. These are complete air suspension kits that allow over 4 inches of drop in ride height when...
      140mm/5.5" Drop30-Level Adjustable Damping
      $900.00
    • (0 reviews)
      # 377217650
      Lexus IS 2003, Secret Weapon Aluminum Polished Short Ram Air Intake System by Weapon-R®. The Secret Weapon Air Intake System uses patented technology to feed the engine 3 times as much air as other systems. As a result, engine...
      Patented technology increases airflow 3 times more than conventional systemsEach system is tuned to maximize engine performance output
      $237.15
    • (0 reviews)
      # mpn4478771214
      Lexus IS Sportcross with JCE10W Chassis 2003, Speed Limit Defencer by HKS®. Most of JDM vehicles are equipped with speed limiter function. With this function, the vehicle's speed cannot exceed 180km/h. On the other hand, the performance...
      HKS found the way to pick up the speed signal from other signals transmitted by CAN communication system to eliminate the speed limiter.The original control method of CAN communication system enables the vehicle's digital speed meter to indicate the speed over 180km/h.
      $179.07
    • (0 reviews)
      # mpn4498420476
      Lexus IS 2003, Lightweight Crankshaft by Brian Crower®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $4,242.74
    • (2 reviews)
      # mpn1711360
      Lexus IS 2003, Lo-Profile Direct Fit Dual Electric Fan by Flex-a-Lite®. With Variable Speed Controller. Diameter: 12 1/8". Size: 26 1/4" x 15 1/2" x 2 5/8". Keep your engine cool and free up some extra horsepower and torque. The fan...
      Prevents your engine from overheatingProvides increased horsepower and torque
      $436.27
    • (0 reviews)
      # mpn470324222
      Lexus IS Standard Transmission 2003, Stage 1 Clutch Kit by South Bend Clutch®. Heavy Duty. Does not Include: Flywheel. Disc Material: Organic. Clutch Engagement: Smooth Engagement. Heavy duty version of the stock O. E. clutch. The...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $330.21
    • (0 reviews)
      # 745713882
      Lexus IS 2003, ID1700 Fuel Injector by Injector Dynamics®. The ID1700 is the most recent offering from the partnership of Injector Dynamics and Bosch Motorsport. The ID1700 was designed to fill the gap between the ID1300 and the ID2000,...
      High quality at an affordable priceExpertly made from premium materials
      $250.00 - $1,500.00
    • (1 review)
      # mpn1177915426
      Lexus IS 2003, Performance Nickel Spark Plug by Nitrode®. The Nitrode™ spark plugs are positioned to be the world's "greenest" most environmentally friendly spark plugs on the planet. Reducing fuel consumption and emissions while...
      The Nitrode™ is made with a proprietary ceramic exclusively used for this spark plugThis unique ceramic is over 10% harder than any ceramic known today
      $8.09
    • (0 reviews)
      # mpn3800686190
      Lexus IS 2003, Front Inner Straight Tie Rod End by Proforged®. Quantity: 1 per Pack. Proforged® applied the same technological advancements in ball joint construction to their line of Tie Rod Ends and Rack Ends, delivering a premium...
      SAE1045 forged steeling housingsBall studs forged from ultra-strong SAE4140 chromoly steel
      $38.05
    • (0 reviews)
      # 985212620
      Universal Carbon Fiber Advanced 12V AGM Battery by Braille Battery®. Battery Type: AGM. Voltage: 12V. Sealed Valve Regulated Design - Completely eliminates acid spills and corrosion on terminals. Environmentally safe and does not need...
      Proudly Made in the USASealed absorbed glass mat (AGM) design that incorporates special glass fiber mats that contain the acid electrolyte between the lead plates, rather than a standard flooded (liquid) design
      $324.99 - $374.99
    • (0 reviews)
      # 942609777
      Lexus IS Sportcross 2003, Ring and Pinion Gear Set by Revolution Gear & Axle®.
      2 Year Limited WarrantyMade to promote and inspire your off-road adventures
      $170.00 - $210.00
    • (0 reviews)
      # 69025922
      110 Series Single Layer Racing Suit by RaceQuip®. Avaliable in Colors: Black, Blue, Red. Get superior durability and comfort combined with overall flame and heat protection. Strong construction and advanced sewing techniques make this...
      Ensures heat and fire protectionGentle fabric provides superior comfort
      $99.95 - $139.95
    • (0 reviews)
      # mpn4478921490
      Lexus IS 2003, Stainless Steel Axle-Back Exhaust System with Single Rear Exit by Megan Racing®. Exhaust Type: Axle-Back. Exhaust Tubing Material: Stainless Steel. Exhaust System Sound: Moderate. For those who like to upgrade their...
      $241.67




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    CARiD is the ultimate source for premium-quality performance parts. With our extensive collection of performance upgrades, adding onto your vehicle's performance or improving its look is safe and easy. Boost the interior of your 2003 Lexus IS with a set of racing seats, raise or lower your vehicle for an aggressive look, or add a set of high-performance brake rotors for superior braking. Unlock the hidden potential of your 2003 Lexus IS that has been waiting to be released!

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    Useful articles fast to read and guides easy to understand written by mechanics and car enthusiasts to turn your shopping experience with CARiD into a pleasure

    • Suspension Parts
      July 11, 2018
      When Is It Time To Replace My Suspension Bushings?
      Maybe you remember being pushed along in a wheelbarrow during childhood. The ride was bone-jarring - even with an air-filled rubber tire cushioning against the rough...
      by Timothy Zahl
    • Engine Parts
      May 21, 2018
      How To Remove An Engine
      If you've grown tired of your engine's declining performance, inconsistent power, rough idle, exhaust smoke, knocking noises, rattles, and other maladies that plague...
      by Richard Reina
    • Engine Parts
      May 09, 2018
      How Does An Internal Combustion Engine Work?
      An engine that uses liquid fuel to create energy, such as an internal combustion engine, is basically a large air pump. Cool air is drawn in, mixed with the fuel of...
      by Timothy Zahl
    • Engine Parts
      May 02, 2018
      Glossary Of Engine External Parts
      Internal combustion engines are extremely complex and feature a wide array of components that rotate, pump, pressurize, or seal. Many of these components, while...
      by Timothy Zahl
    • Performance Engine Parts
      April 20, 2018
      What You Need When Rebuilding Or Replacing An...
      So you’ve decided to take on the project of rebuilding or replacing your vehicle’s engine. Modern internal combustion engines are quite complex – with a wide...
      by Richard Reina
    • Shift Knobs
      January 19, 2018
      Shopping Guide – Shift Knobs
      The knob at the end of your gearshift lever probably isn't something that most people notice when getting into your car or truck. But for a minimal cost, it can be. We...
      by Timothy Zahl
    • Running Boards
      November 29, 2017
      Shopping Guide - Running Boards
      Running boards date as far back as the automobile itself, being integrated into car and truck designs until falling out of favor after World War II. With the boom in...
      by Timothy Zahl
    • Off-Road Bumpers
      November 28, 2017
      Shopping Guide – Off Road Bumpers | Custom...
      There's a saying that advises out of all the paths you take in life, it's important to make sure a few of them are dirt. But while dirt can be found most anywhere you...
      by Timothy Zahl
    • Automotive Tools
      August 30, 2017
      What Special Tools Are Available For Exhaust...
      Exhaust work can be challenging. Old parts are usually corroded and difficult to separate, and new ones sometimes need minor fitment adjustments during installation....
      by Timothy Zahl
    • Automotive Tools
      August 24, 2017
      What Special Tools Are Available For Fuel...
      Maintenance and repair work on fuel systems must be done with precision, no matter what part of it you're working on. Tools specifically designed for use on fuel...
      by Timothy Zahl
    • Automotive Tools
      July 12, 2017
      What Special Tools Are Available For Driveline...
      The expression "heat and beat" applies to a lot of driveline repairs, meaning worn parts are often so difficult to separate that one must use a blowtorch and great...
      by Michael Grayen
    • Batteries & Power
      May 22, 2017
      High-End Audio Demands Its Own Battery Source
      When you're driving and headlights start to dim because a high-powered stereo is cranking, that means the deep bass you hear is causing total vehicle electrical draw...
      by Timothy Zahl

    2003 Lexus IS Performance Parts Reviews

    Average rating:  5  5 - 2 reviews
    5 of 5
    Front Upper Camber Arms
    Haven't installed yet but looks very well built.
    KPosted by Kaveesh Shridat (Coral Springs, FL) / December 11, 20172003 Lexus IS
    Was this review helpful for you? Yes
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