Our 2011 GMC Sierra 5.3L runs ok and sounds pretty good when you roll into the throttle. But it’s not impressive with the factory exhaust. So we decided to add the sound of power with a cat-back ...
When it comes to buying a brand-new truck, many people still think the stock performance is all that’s available. Fortunately, with today’s engines, if you desire more performance from your truck, ...
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