Known for giving performance-car owners control over their cars’ sound, Valvetronic Designs develops valved exhaust systems from its Boyertown, Pennsylvania headquarters. Its work spans vehicle-specific upgrades and universal valved mufflers, with electronically controlled systems designed to shift between a quieter, factory-like note and a more aggressive one.
Pypes Performance ExhaustPypes Performance Exhaust builds complete mandrel-bent exhaust systems for American performance vehicles from the 1950s through today, along with systems for popular American pickups and big rigs. Based in Hatfield, Pennsylvania, the company fabricates its systems and accessories from stainless steel, often incorporating custom-designed X-pipes and offering muffler choices matched to a vehicle’s power and sound goals. Pypes backs its mufflers and systems with a limited lifetime warranty for as long as the owner keeps the vehicle.HATFIELD, PA
AWEFounded in 1991, AWE is a Pennsylvania-based automotive performance company that designs, engineers, manufactures, retails, and distributes upgrades for performance vehicles. Its in-house team develops and tests products at its headquarters outside Philadelphia, including handcrafted exhaust systems, and serves customers globally through dealers and online sales.HORSHAM, PA
Corsa PerformanceFrom its Berea, Ohio facility, Corsa Performance manufactures vehicle-specific performance exhaust systems and air-intake products for cars, trucks, and SUVs. The company has spent more than 25 years refining exhaust sound through its Reflective Sound Cancellation® technology, designed to deliver an assertive note without cabin drone. Corsa also backs its branded exhaust systems with a limited lifetime warranty.BEREA, OH
Muffler Shop Plus, IncMuffler Shop Plus was founded in 2003 by Robert Simmons and Jeremy and Melissa Freeman, growing from a small Austinburg operation into a 12,000-square-foot facility in Elkland. The company supplies garages throughout Pennsylvania and New York, with custom exhaust fabrication available when standard parts do not fit the job. It also supports the surrounding community through student work programs, job shadowing, local business partnerships, and sports sponsorships.ELKLAND, PA