I have a stock 06 gto looking to put a set of headers what brand and size.
how much hp gain with just header ?
Want to run dumps after header so i can keep stock catback on to keep noise down most of the time. which dumps to buy?

down the road looking to put on a prochager D1 or F if money is there i know If i go to the F one the motor will be built with forged bottom end.

Where to get them coated at?

looking for all little upgrade to do now that wont be a waste when i put my procharger on 6 months later.