Image/Summit Racing Equipment
Glasspack or “straight-through” muffler designs are a callback to an earlier age when car designs were simpler, less expensive and of course—louder.
These mufflers remain popular among today’s automotive enthusiasts, thanks largely to their low cost, minimal restriction, and reputation for producing sweet, sweet exhaust music.
Straight-through mufflers offer a range of sound levels that starts at louder than stock, and maxes out somewhere around your average human’s ear-bleed threshold. For those of us with neighbors, the ideal level is loud enough to draw attention, but not nuisance complaints.
Enter Flowmaster’s FlowFX series of universal, straight-through performance mufflers.
Launched at the 2018 SEMA Show, the new muffler line was engineered to produce a moderate, deep muscle sound that’s aggressive without being too aggressive. You might say it has a “sick flow” that’s less flu, more run-of-the-mill virus.
Our friends at Summit Racing got to check out the new line at SEMA. Watch the video below:
According to Flowmaster, each FlowFX muffler is fully MIG-welded and manufactured with 409 stainless steel for reliable performance and long-term durability. The muffler’s interior features a perforated stainless steel core surrounded by high-temperature sound absorption materials.
The new mufflers are adaptable. They are reversible and available in 2.25-, 2.5-, and 3-inch variants with multiple inlet/outlet configurations. Bear in mind though, that these mufflers are not direct-fit—they may require some modification to install.
FlowFX mufflers are available both as a standalone product, and as part of a complete FlowFX exhaust system for select Dodge, Ford, General Motors, and Nissan applications.
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