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Since 1962, Kooks has had the reputation of making the highest quality and best performing headers in the industry. Their exhaust headers for the G8 GT and GXP uphold that reputation. Dyno gains of over 20hp have been reported and the exhaust note is utter muscle car music to your ears. Made out of 304 grade stainless steel and guaranteed to help your G8 breathe better. Tuning is recommended for the best possible gains and proper air:fuel ratio. Currently available in 1 7/8 inch primaries, you'll also select your connection pipes above. O2 extensions, gaskets, and all installation hardware are included.
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