HOW does the Injen Inline Air Diffuser benefit a car? Where does it go?
Car runs very rich and may not pass the GA emissions requirements. I really need to be getting better than 12-18 MPG. On my 4 banger.
I have a 2005 Subaru Impreza RS w/ good low miles. I need to get better than 12-14 MPG., with a 4 banger. I
The Injen inline air diffuser is designed to be attached between the crank case breather port and the air intake. All engines produce air pressure in their crank cases which is vented out back into the air intake pipe. However this air can sometimes contain
I just posted Refill Pads for Car Scenter Diffuser/ Scent Ball Diffuser (20), read it here: 
@ Couldn't you argue the same for the RBR diffuser? Doesn't stop the mechanics standing at the back of the car on the grid.
Aromatherapy Car spray or Car diffuser 
Got my car back - never seen such a shoddy, cowboy repair. Clearly the old undertray/diffuser hammered into "shape" 
@ whats the large hole in back of the Redbull airbox/car. McLaren have one too. Is it part of blown diffuser or 1 of regulations
the rear bumper of my 2012 Shelby GT500 with new Roush Axleback exhaust and rolled tips. Black Shelby with Red stripes
SPOCOM, Anaheim 8/6/11
SPOCOM, Anaheim 8/6/11
SPOCOM, Anaheim 8/6/11
SPOCOM, Anaheim 8/6/11