Import Modifications - The Internets Car Modification Headquarters
Performance Mods
Performance Mods
Listed below you will find a large assortment of Performance Mods that can be applied to most import and domestic vehicles.  All mods included on this page can be applied to roughly 99% of vehicles.  For vehicle specific performance mods please select your car model from our homepage.
Our performance mod pages will give you install members and how-to's for a variety of performance and horespower increasing mods. Please be advised that although many of the mods listed can easily be completed by the do-it yourself installer, there are some which are better done by experienced mechanics and techs. Don't begin an install unless you first make sure that you are able to complete the task without risking damage to you or your car!

Cold Air Intake Install

Cold Air Intake Install

Adding a cold air intake to your car is a great way to start increasing your horsepower.  These instructions outline the general process of installing an aftermarket intake on the average vehicle.  Once you understand the general installation methods, adapting the installation techniques to your vehicle should come very easy!  The install on our page done on a Honda Del Sol is one of the more complicated installs.

Difficulty Level
Easy

Intake Sensor ECU Mod

Intake Sensor ECU Mod

The Intake Sensor ECU mod is a great way to easily add a few extra horsepower.  This mod advances your cars timing by 1-2 degrees thus increasing your air/fuel intake ratio.  The mod is recommended for race use only and should be used with premium unleaded gasolines of at least 90 octane or higher.  This mod can be completed on any fuel injected vehicle and installs and removes in less than 5 minutes.

Difficulty Level
Easy

NOS Install

NOS Install

Adding a NOS system to your car is a great way to drastically increase your performance at a fairly affordable price.  NOS systems are available for almost all makes and vehicle models and can be installed effectively in a variety of different ways.  These instructions will serve as a general guidline for the install.

Difficulty Level
Advanced

Headers Install

Headers Install Headers are a great complement to an aftermarket cold air intake and exhaust system.  They will increase airflow and free up lost power while giving your vehicle a much throatier sound.  Headers are available for most vehicles and can be installed fairly easily on most vehicles.  Our step-by-step walkthrough instructions will give you a good idea how the install takes place on one of our members vehicles.
Difficulty Level
Intermediate
Porting and Polishing Instructions
Porting and Polishing Our porting and polishing page will give you a good idea how to complete this mod on your own vehicle.  Porting and Polishing your Intake Manifold, Exhaust Manifold, and Combustions chambers will give you much better airflow and increase horsepower on almost any vehicle.  This procedure can be completed with simple hand and power tools and can be finished within a few hours.
Difficulty Level
Intermediate
Polished Valve Covers
Polished Valve Covers Our porting and polishing page will give you a good idea how to complete this mod on your own vehicle.  Porting and Polishing your Intake Manifold, Exhaust Manifold, and Combustions chambers will give you much better airflow and increase horsepower on almost any vehicle.  This procedure can be completed with simple hand and power tools and can be finished within a few hours.
Difficulty Level
Easy
Custom Home Made Turbo Install
Custom Home Made Turbo Install A turbo will give just about any car a great boost in power.  Many aftermarket turbo's are much to expensive for the average person.  These instructions will show you how to build and install your own custom turbo with cheaper used parts.    The instructions include the step-by-step install and can be applied to most import and domestic vehicles. Total cost including all parts is from $1000 and up.
Difficulty Level
Advanced
 
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