Changing out your car exhaust can actually improve your vehicle’s performance a pretty solid amount – you can get up to five percent more horsepower, depending on the Charlotte car exhaust ...

Taking a muffler off a vehicle can improve its performance by slightly increasing its horsepower by allowing higher levels of exhaust fumes ... of North Carolina. A Charlotte resident posted ...

head of sales for Carolina Custom, told the Charlotte Observer last year. Under the law, passenger vehicles cannot be operated on highways if “by alteration of the suspension, frame or chassis ...