The addition of a performance up pipe is a favorite modification among die-hard Subaru tuners around the globe. Invidia's Subaru WRX uppipe is a catless direct bolt on replacement for the factory up pipe in your 2002-07 WRX or STI.
Welcome to SpeedMath-Multiply and Divide! The goal of SpeedMath-Multiply and Divide is to create an equation, as quickly as possible, from the four digits the computer gives you. You can use multiplication and division to create your equation, but you are not allowed to rearrange the digits.
To multiply or divide signed integers, always multiply or divide the absolute values and use these rules to determine the sign of the answer: 1  The product of two positive integers or two negative integers is positive. 2  The product of a positive integer and a negative integer is negative.