DynoMax Performance Exhaust will offer three systems for several 2011 Ford F series truck models this year, including options for both gas and diesel engines. All feature stainless steel components and provide added performance, horsepower and unique sound, the company said. The DynoMax 2011 Ford F-150 cat-back system is available now, as is the F-250/F-350 Super Duty system (p/n 39506) that fits 6.2L V8 gas trucks and a variety of cab configurations. The Ford Super Duty F-250/F-350 6.7L diesel system (p/n 39509) will be available in July.