i have 2 flowmaster 40 series on my grand prix gt and ever since i had this done my car feels slower i was wondering if i converted to singel exhaust will it run better
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i have 2 flowmaster 40 series on my grand prix gt and ever since i had this done my car feels slower i was wondering if i converted to singel exhaust will it run better
Welcome to the community.
Moved to the correct area.
Personally your car should not be sluggish by adding mufflers. Even if they were not connected correctly, the worst you would have is a very loud rumble out of them and exhaust fumes from out from behind the mufflers. It would not rob you of power to your car.
Did you do any other modifications to the engine or spark plugs or anything like that, it would help others in the community to assist better with your issue.
Thanks![]()
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