Borla 40842S S-Type Muffler

What makes Borla 40842s’S type muffler so good?

These mufflers feature a multi-core technology and are manufactured from T-304 stainless steel which offers long lasting durability. They are equipped with ultra-smooth mandrel bends ensuring maximum flow and power. These mufflers provide brilliant fuel economy and increase horsepower efficiently.

What kind of steel does Borla exhaust system use?

Borla manufacturers all of their exhaust systems using only aircraft-grade T-304 stainless steel, which is highly corrosion resistant, and will almost certainly out last your truck. Polished tips are available for all vehicle models, though some kits have the option for black chrome exhaust tips as well.

Is the Borla exhaust legal in 50 states?

All Borla street Cat-Back™s, Rear Sections, and Mufflers are 50-state emissions legal. These systems will NOT void your factory warranty, some cars even have Borla systems as the OEM exhaust. In fact, it is illegal for a dealer to deny you the OE warranty because you have changed the exhaust system.

What does the Borla Atak muffler stand for?

ATAK actually is an acronym for Acoustically Tuned Applied Kinetics which means the Borla ATAK Muffler produces only the loudest race appropriate volume through the entire RPM Range. The Borla ATAK exceptionally improves exhaust flow and is an ideal upgrade for modern muscle cars like the GT and Bullitt Mustangs.


At the upper end of the muffler market is Borla’s S-Type model. Carefully engineered to provide a boost to the car’s power generation, thanks to its unique multi-core technology. This nifty vehicle upgrade also offers drivers improved fuel economy, meaning it will pay for itself over time, and limit your environmental impact.

Manufactured from high quality T-304 stainless steel, it’s also designed to last. Not only is this material incredibly durable, it also stands up well to the corrosive threat of rust. Finally, as with most muffler upgrades, this Borla muffler will certainly improve the sound your car makes! Drivers describe the noise as ranging from a deep rumble to a throaty roar.


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