This is our shop car:   2007 BMW 335I twin Turbo

These are the performance parts we installed in the car:

This is the stock exhaust when it was pulled off:	Aftermarket exhaust:

Dyno Graph showing the stock power vs. the aftermarket power:

The dotted green line represents Rear Wheel Horsepower before the modifications.
The solid green line represents Rear Wheel Horsepower after the modifications.

The blue dotted line represents Rear Wheel Torque before the modifications.
The blue solid line represents Rear Wheel Torque before the modifications.

We gained 73 Rear Wheel Horsepower with the instalation of the Cold Air Intake, Catback exhaust, and F1 Tune!!