Kooks 1 7/8" long tube headers.These not only fit perfect but flow way better than stock.
After installing Kooks headers on this G8 we built a dual 3" stainless exhaust with an 'X' pipe then merged back into the stock mufflers.
It was a lot of work but looks good and sounds great.That car also picked up 3 mph with the headers and exhaust.
Sorry for the little stupid pictures, .
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