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Performance
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Exhaust noises
By round top on
Vehicle
2003 Chevrolet Suburban 1500 LS 4WD 4dr SUV (5.3L 8cyl 4A)
Review
After hot engine shut down vehicle has loud and prounced bangs coming from exhaust system. During cold start up a loud and prounced poping noise is heard from the exhaust system. When vehicle is driven at highway speeds of 60 and above the droning noise in the cabin is prounced and over powering. I believe GM has a definite problem with the exhauts systems on the 2003 suburbans. There is a bulitan out concerning the poping noise. GM has a superfical fix? for it. HA? Lets hear about your experiences.
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