Designed and built in house we sound test our Paragon Performance Exhaust! C8 Corvette fly by's, launches, revs and more! What do you think of our exhaust? Let us know in the comments! Looking to purchase our products? Click Below! https://www.paragonperf.com/Paragon-Performance-C8-Corvette-Exhaust--Non-Valve_p_137.html Questions? Reach out to us, we are happy to assist you! sales@paragonperf.com (515) 414-8993