Mass Appeal

Specializing in OE-Style Mass Air Conversions Since 2003

Fiveology Racing

Featured Article

The advantages of mass air are detailed in our featured article in the October 2009 issue of Muscle Mustangs & Fast Fords.

Fiveology Racing

Reference Guide

Have questions about mass air? This page highlights the requirements and considerations for a successful mass air conversion.

Fiveology Racing


We will gladly assist in answering any questions or concerns regarding our products. Help is just a click away!

Fiveology Racing

Performing Tuning

Looking to maximize the performance of your computer module? Check out these aftermarket performance tuning options.