Interstate Performance Exhaust is your truck muffler and exhaust headquarters in Billings, MT. We are locally owned and operated. We specialize in cat back systems and can work on most trucks and recreational vehicles, and have a large indoor hoist.Our services include:* Stock Replacement* Brakes* Catalytic Converters* Flowmaster & Dyno Max Super Turbo* Custom Bent SystemsWe offer free pick-up and delivery. We accept Visa, Mastercard, Discover and American Express.Call Interstate Performance Exhaust today to schedule an appointment.