Headers definitely add another type of awesome-ness to the sound, especially at WOT. The cats you can barely tell IMO. Eric
Call them up and say what is the best price you can give me, they will ask you for your zip code and give you that price. Call them direct, I did not order from the website, I seen it and then called.
Update, got the new primary o2 sensor installed and after driving for about a 1/2 hour all I can say is HOLY SHIT, screw the butt dyno I have definately picked up some ponies/torque. Im frying the tires @ WOT now almost every time. I went down a street pretty much sideways smoking the tires. My tires are done for With the Corsa catback im LOVING the new sound of the 8, I HIGHLY recommend Magnaflow hi flows to anyone out there with a LX.