Double Chamber Exhaust System

2 minutes read

A double chamber exhaust system is arguably one of the most attractive aftermarket additions on the market. Instead of a narrow containment area, one that limits the processing innards, a beefed up double chamber unit provides ample gas routing space. Broadened exhaust tips peer out from the expanded profile so that the overall shape of the system suggests pure performance output force. With that being said, do they deliver on that performance front as well as they do in the looks department?

Double Chambered Performance Gains 

If the different pipe crossover profiles in the mid-pipe lines act as inline control elements, the sections that control how the back pressure gasses interact, then an end-point double chamber exhaust system manages that enhanced performance envelope at the output threshold. Designed with doubled-up tailpipes, the expanded chamber provides a figurative exclamation point of exhalation for those gases, with the signature race car aesthetic immediately underscoring the power gains. Logically, however, shouldn’t the engine tone drop because of the added space in the muffler housing? Well, that’s not what happens, not when that added interior real estate is reserved for more gas deflection assemblies.

Examining Dual-Chambered Noise Characteristics 

Like some kind of an axially stretched pinball machine, the deflected gases ricochet from one baffled surface to the next. The internal geometry is hard to imagine unless some curious vehicle enthusiast cuts his worn double chamber exhaust system in half. Dependent on the manufacturer, the architecture inside the exhaust system muffler balances the engine byproducts. On the one hand, the chamber baffles deflect the gases. Meanwhile, there are special material features and gas envelope shaping inserts that ease the pressure build-up and send a proportion of that gas stream straight to the exhaust tips. Far from being a baffled void, a performance tuned double chamber unit is a balanced piece of engineering magic, one that creates a signature performance curve, as well as an equally unique acoustic noise profile. Falling just short of noise pollution infringement, the propagating deflections reproduce the sounds generated by a classic muscle car, all without requiring the heavy fuel consumption figures we associate with those yesteryear petrol guzzlers.

Double-chamber exhaust systems are fitted with straight-through geometrical elements and angled deflection surfaces, so not a square centimetre of that enlarged vessel goes to waste. Renowned for their characteristic growling engine sounds and for an inbuilt back pressure reduction feature, this exhaust system component is balanced according to the manufacturer’s performance-tuning nature. Because of that architecture, the sound produced by these enlarged units is totally unique.

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