Normally, the Flowmaster American Thunder kit is shipped with a pair of 40-series mufflers, so we opted instead for a pair of larger (and yes, heavier) 70-series Big-Block II pieces with a pipe ...

Super 40 Series two-chamber mufflers were constructed with Flowmaster's Gen II Delta Flow technology. The Delta Flow concept increases exhaust scavenging and prevents reversion into the engine.

Of course Flowmaster has mufflers to suit just about anything and are known for their famous and aggressive 40 Series mufflers, but I wanted a muffler that was anything but "loud".

Of course, three-chamber are the quieter Flowmaster muffler offering. When we were younger, we installed two-chamber mufflers, which are now called Super 40 Series mufflers. (I was old in my youth ...

Available for modern truck applications including the Ram 1500, GM 1500, Ford F-150 and Toyota Tacoma, the Flowmaster Signature Series delivers significant gains in power and torque over stock ...

Funkmaster Flex will showcase Flowmaster’s products on his eight-city cark and bike tour, in addition to using the exhaust specialists’ products in his new show Funk Flex Full Throttle.

BOWLING GREEN, Ky., October 15, 2024--Flowmaster, part of the Holley Performance Brands (NYSE: HLLY) portfolio, today announced the launch of the Flowmaster Signature Series, the brand’s new premium ...

Flowmaster, part of the Holley Performance Brands (NYSE: HLLY) portfolio, today announced the launch of the Flowmaster Signature Series, the brand’s new premium exhaust line. Engineered for ...