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1999 2004 Wj Jeep Grand Cherokee Luxury Check Exhaust

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While not just a WJ problem, check the exhaust system on any vehicle, especially if they salt the roads in the winter. The casing of this factory muffler was rotten. Take it as an opportunity to upgrade to an after-cat exhaust for a little more power and mileage.
'99 to 04' WJ Jeep Grand Cherokees - Aged Luxury

 While not just a WJ problem, check the exhaust system on any vehicle, especially if they salt the roads in the winter. The casing of this factory muffler was rotten. Take it as an opportunity to upgrade to an after-cat exhaust for a little more power and mileage.  View Related Article

 

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