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Technical Articles

Modified is the resource for the compact car enthusiast. Our content includes test drives, dyno tests, SCCA Rallying and Ultimate Street Car Challenge, all from the most reputable authority around.
Engine Management System And Fuel System Buyer’s Guide Engine Management System And Fuel System Buyer’s Guide
You can't make big power without having a proper engine management system and fuel system. more
Continental Extreme Contact DW - Tire Review Continental Extreme Contact DW - Tire Review
Check out our hands-on review of the new Continental Extreme Contact DW Tires. more
2009 Nissan 370Z Stillen Cold Air Intake - Proving Grounds - Tech 2009 Nissan 370Z Stillen Cold Air Intake - Proving Grounds - Tech
Stillen claims their cold air intake will produce an additional +17.5whp in the 370Z. more
Import Performance Car Parts - MOD Gear Import Performance Car Parts - MOD Gear
Looking for some new performance upgrades for your ride? Then check out our MOD Gear page. more
Project Nissan 350Z Twin Turbo - The Best Of Both Worlds Project Nissan 350Z Twin Turbo - The Best Of Both Worlds
We're adding another Project 350Z to our garage, but this one will be strictly for time attack events. more
Acura NSX KW V3 and Clubsport Suspension - Supercar Suspension Zee German Way - Tech Project NSX Acura NSX KW V3 and Clubsport Suspension - Supercar Suspension Zee German Way - Tech Project NSX
With a little pursuasion, we got KW Suspension to come up with a coilover kit for our Acura NSX. more
2010 Hyundai Genesis Coupe Turbo - Affordable RWD Fun - Tech Talk 2010 Hyundai Genesis Coupe Turbo - Affordable RWD Fun - Tech Talk
Find out what's in store for the 2010 Genesis 2.0T after AMS Performance gets their hands on it. more
Performance Tire Buyer's Guide Performance Tire Buyer's Guide
Check out the latest performance tires out on the market in this Performance Tire Buyer's Guide. more
MOD Gear MOD Gear
Check out all of the new products in the June 2009 edition of MOD Gear. more
Mugen Tunes New Honda Insight Hybrid - Spinout Mugen Tunes New Honda Insight Hybrid - Spinout
The highlight of the news this month is a new Mugen tuned Honda Insight Hybrid. See what they put together here. more
Suspension Tuning - Project DC2 Acura Integra Suspension Tuning - Project DC2 Acura Integra
Project DC2 advances further as we install KW suspension and Skunk2 arms onto our Acura Integra. more
Nitto NT05 - Tire Review Nitto NT05 - Tire Review
Nitto had to develop a tire that would stick under track conditions while being daily driven. The NT05 was the solution. more
Divide And Conquer? Divide And Conquer?
We take a closer look at the twin scroll turbo system as compared to the single scroll systems to compare their advantages. more
Mazda RX7 3 Rotor - Rotary Karma Mazda RX7 3 Rotor - Rotary Karma
Nick Thomas has a stunning collection of Mazda RX7's. more
See How Nitto Won The 25 Hours of Thunderhill Endurance Race - Web Exclusive See How Nitto Won The 25 Hours of Thunderhill Endurance Race - Web Exclusive
Nitto Tire and Team Achilles Motorsports dominate at the 25 hours of Thunderhill endurance race in California. See how they plac more
Mitsubishi Lancer EVO 9 Wheel Tester - Performance Wheel Test Mitsubishi Lancer EVO 9 Wheel Tester - Performance Wheel Test
We take five different wheels from five different manufacturers and put them to test on our Lancer EVO 9 wheet tester. more
Nissan 350Z Suspension - Getting Your Z Square-Exclusive First Look Nissan 350Z Suspension - Getting Your Z Square-Exclusive First Look
SPL Parts offers a slew of suspension components, but we’ll just be focusing on its Nissan 350Z suspension pieces. more
2008 Subaru WRX Project - Tech 2008 Subaru WRX Project - Tech
Check out these power upgrades for the 2008 Subaru WRX project car in the Tech section of this months issue. more
Project S13 - Part 3: The Good Stuff Project S13 - Part 3: The Good Stuff
Check out our Nismo drivetrain upgrade to our Nissan 240SX project car more
TRD Gear Set & More - Project Toyota Corolla Tech TRD Gear Set & More - Project Toyota Corolla Tech
Check out these TRD gear set upgrades as part 6 of Project Toyota Corolla begins in this months issues in the tech section. more
2006 Subaru WRX  - Test Bench 2006 Subaru WRX - Test Bench
Check out the science behind intake upgrades, like these for the 2006 Subaru WRX in the test bench section of this months issue. more
TEIN Suspension Upgrades & More - Project S13 Tech TEIN Suspension Upgrades & More - Project S13 Tech
Check out these TEIN suspension upgrades and more for Project S13 in this months issue! more
How A Tire Is Made - Part 2 Tech How A Tire Is Made - Part 2 Tech
Check how the porcess of how a tire is made and more in this issues tech section. more
1991 Acura NSX VS 1990 Honda Civic - Tech 1991 Acura NSX VS 1990 Honda Civic - Tech
Check out the stand off between our 1991 Acura NSX and 1990 Honda Civic project cars in the tech section of this months issue. more
Castrol Syntec Top Shop Challenge Final Results - Motor VQ35DE Castrol Syntec Top Shop Challenge Final Results - Motor VQ35DE
Check out why this all motor VQ35DE built by Modified Mag was crowned winner of the Castrol Syntec Top Shop Challenge. more
Mitsubishi Eclipse Research
Mitsubishi Eclipse Review in-depth reviews on the new Mitsubishi Eclipse, featuring test drives, comparisons, options, features and more. The Eclipse has a $1,500.00 cash rebate, which will help you save money on your next new car purchase. It has drivers side crash test ratings of 8 stars and passengers side crash test ratings of 8 stars. Also check out the Nissan 350Z and the Subaru Impreza.