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We installed ARH LT headers with HF catted pipe and stock mufflers on an L99 and then custom tuned with HP Tuners. Sounded great, just on the edge of being a little loud at WOT. Can't imagine how loud it would be with aftermarket catback.
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Frank
10 Camaro Magnacharged- 585rwhp/585rwtq, full exhaust, Pedders Justice/ZL1 sway, Stoptech brakes and 21" 3 Pc. Forgeline wheels
99 Corvette- 502rwhp/460rwtq-402 N/A, 6pis/4pis brakes...fun track car |