The debate still rages over whether a Magnaflow or a Flowmaster muffler is best. We dig deep into the question and get some help from Engine Masters $40 Muffler Dyno Test.

Read about how Eddie Paul reluctantly installs a Flowmaster to his 1986 Chevrolet Corvette, and is pleasantly surprised with the ease and results. - Corvette Fever Magazine ...

Hot Rod Specialties installs a Flowmaster American Thunder Series exhaust system with Super 40 Series mufflers under a classic Chevelle.

Flowmaster's line of racing mufflers is designed to maximize the scavenging effect while minimizing the overall package size of the muffler so that it can easily be placed in the best location ...