Originally Posted by nixxer

LTH = No cats. For some thats not a big deal, for others its a deal breaker. Some inspection sites will fail/fine you if you dont have cats installed. Just a heads up. They check by using a sniffer on the exhaust, putting your car on a lift, or mirrors on sticks to see under the car.

On install, the engine does not need to be dropped. But the bolts need to be accessed from both above and beneath the engine bay, as well as some minor electrical work to extend the O2 sensors.

I would guess the costs to be closer to 3,000-3,500, give or take a few hundred. For future reference, the cost to install headers, historically, is about 75%-100% of the costs of the headers themselves.

Once everything is said and done, you should begin to look into a tune. Your engine will be running very lean at WOT and if you pound on it too much without a tune bad things may happen. Look into Osiris UpRev for tuning as COBB no longer supports our platform(bastids...).