I guess the best I can do for now is video. I'll try to post later today. I don't have the SS exhaust. If you mean headers, No.
A friend and Hummer owner, took a ride in another H2 that had the SS headers, Duel exhaust with/x-over, and walker turbos installed. He said the noise level was uncomfortable in the cab and really didn't like it. OTOH, after taking a ride in my rig, he was sold. Liked the performance, and sound.
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