2007 Gmc Yukon Exhaust Comparison
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2. The tailpipe and muffler assembly from JBA is not only constructed entirely out of stainless steel, but it also features the company's straight-through muffler for lower backpressure and increased flow. You will also notice the absence of the rear muffler that the factory uses. JBA spent a lot of time in the R&D department to keep the exhaust note quiet yet still make power without the use of one more restrictive muffler. View Related Article
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