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Modified Mag

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.
2014 Ford Focus ST - Focusing On Power 2014 Ford Focus ST - Focusing On Power
Better breathing mods open up Ford's ST hatchback. more
Project Super VIII - It’s What’s Inside That Counts Project Super VIII - It’s What’s Inside That Counts
Our complete engine overhaul begins at CBRD. more
Continuously Variable Transmissions - Rubber Band Gearboxes Be Gone! Continuously Variable Transmissions - Rubber Band Gearboxes Be Gone!
Why CVT transmissions have no place on performance cars...yet more
Wheel Buyer's Guide Wheel Buyer's Guide
It all starts with the right set of rims! more
E39 BMW M5 AP Racing Big Brake Kit Install - Serious Stopping Power E39 BMW M5 AP Racing Big Brake Kit Install - Serious Stopping Power
An AP Racing Big Brake kit and supporting mod address weakness in the E39 M5. more
Transmission Rebuild & Upgrade - Gearing Up Transmission Rebuild & Upgrade - Gearing Up
A properly built transmission is just as important as a built engine. more
Project Sonic Boom - Nearing Completion Project Sonic Boom - Nearing Completion
With empty Red Bull cans piling up, it was time to kick it into overdrive and... more
Project Nissan 240SX S14 - Hotside Upgrades Project Nissan 240SX S14 - Hotside Upgrades
The trusty ol’ SR20DET in our S14 project Nissan 240SX receives a few upgrades. more
Interior and Racing Gear Buyers Guide Interior and Racing Gear Buyers Guide
An Interior and Racing Gear Buyers Guide for all your track and autocross needs. more
Thermal Energy Recovery System - Turbo Revolution Thermal Energy Recovery System - Turbo Revolution
We’re about to witness a revolutionary way of turbocharging. more
Adaptronic ECU and AEM Ignition Coils - The Right Electrical Pipeline Adaptronic ECU and AEM Ignition Coils - The Right Electrical Pipeline
We turn to AEM for their “High Output IGBT” Smart Inductive Coils and Adaptronic... more
Engine Performance Mods - Project Sonic Boom Engine Performance Mods - Project Sonic Boom
We work with Walker Morgan of Morgan Performance Fabrication for Project Sonic... more
Cobb Tuning AccessPort V3 Cobb Tuning AccessPort V3
We borrowed a friend’s completely stock ’11 STI hatchback so we could put the... more
Project Single Turbo - Forging Ahead Project Single Turbo - Forging Ahead
Address the direct and radiant heat issues in our engine bay... more
Porting Rotary Engines - Port Authority Porting Rotary Engines - Port Authority
We've gone a little rotary engine crazy around here lately, but we have been... more
Performance Tire Buyer's Guide Performance Tire Buyer's Guide
We've compiled a buyer's guide to help you choose the best performing tire for... more
Drag Cartel Drop-In Camshafts Drag Cartel Drop-In Camshafts
If you're looking for a little extra all-motor punch out of your Honda, check... more
Project RX-8 - Getting Ready For Boost: Part 2 Project RX-8 - Getting Ready For Boost: Part 2
Installing a high boost pulley and upgraded secondary fuel injectors to... more
Project Sonic Boom - Track Spec Version 1.0 Project Sonic Boom - Track Spec Version 1.0
The stock exterior of this Sonic RS was in serious need of styling upgrade. more
G-Floor RaceDay Tiles - Make It Shine G-Floor RaceDay Tiles - Make It Shine
The home garage is a staple in the do-it-yourself mechanics' arsenal... more
Stability Control and Torque Vectoring Systems - Invasion Of The... Stability Control and Torque Vectoring Systems - Invasion Of The...
“Off” rarely means 100 percent off when it comes to electronic stability control... more
SEM Motorsports Intake Manifold - Upping The Velocity SEM Motorsports Intake Manifold - Upping The Velocity
The SEM Motorsports Intake Manifold delivers gains where they count, on both... more
Project Super Mitsubishi Lancer Evolution VIII - Going All Out Project Super Mitsubishi Lancer Evolution VIII - Going All Out
Stick along for the ride as the guts of our Project Super Mitsubishi Lancer... more
Suspension and Drivetrain Buyers Guide Suspension and Drivetrain Buyers Guide
With the right components, a responsive and reliable car is the result. more
Project Turbo Whale Tail - Undoing The Bad With The Good Project Turbo Whale Tail - Undoing The Bad With The Good
Project Whale Tail received a much needed oil change, along with several other... more
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