Review on K&N Cold Air Intake Kit: High Performance, Horsepower Boost: 50-State Legal: Compatible with 2004-2006 CADILLAC (CTS)57-3042 by Chad Moser

This is the simplest air intake I've ever put in a car. Easy to follow instructions with pictures for each step. I put this in my cts 3.6L and wow what a difference. Best performance upgrade for the money. 0-100 mph is much faster and I like the sound of my car. I have fitted air intakes to many of my cars over the years and I have to say I will never buy any other brand again. If you're browsing and looking for cold air intakes for your Cadillac CTS 3.6l, stop looking because this is what you need. Don't worry about the shipping, it was there on time and everything was well packed.