Gibson exhaust????
I was about to buy one for my old jeep due to the quaitly of them atleast for a 4L motor.
Give us a review of it, I'm guessing you and I aren't the only people who havn't heard of them on an ls1.
You probably have just the muffler, since the catback has just been released a couple of weeks ago.
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You probably have just the muffler, since the catback has just been released a couple of weeks ago.

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Gibson ceramic coated stainless steel shorty headers, fit factory Crossover "Y"
and Single, side exit all stainless muffler+ cat back pipe, to fit Wife's Tahoe.
.will update after install.











