Flowmaster Pro Series Muffler Reviews: 3, 4 & 5 inch Exhausts

Flowmaster Pro Series Muffler Reviews

Note from Ryan: Use the table below to find the correct Flowmaster Pro Series configuration for your car or truck. Not sure which to choose? Follow links to check vehicle fit on Amazon.

flowmaster pro series mufflerflowmaster pro series shorty mufflerflowmaster pro series turn down muffler
Pro Series StandardPro Series ShortyPro Series Turndown
3.00" IN / 3.00" OUT3.00" IN / 3.00" OUT3.00" IN / 3.50" OUT
3.50" IN / 3.50" OUT3.50" IN / 3.50" OUT3.50" IN / 3.50" OUT
4.00" IN / 4.00" OUT
5.00" IN / 5.00" OUT