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DEVELOPMENT: Our aim was to increase the volume of the rear exhaust while maintaining a refined tone and level of volume, even with upgraded catalytic converter sections. The factory valves are electronically controlled unlike older “open or closed” vacuum-style valves. Able to work variably, the valves will gradually open and close depending on several factors of engine operation. Even under full throttle application in Sport mode, the valves will still not stay open 100% of the time. With this in mind, it was imperative that our system have a smooth transition during valve operation.
To tame drone, we made use of our bespoke X-pipe muffler. Internally, this muffler is quite unique. It has little to no restriction in the flow path, using straight-through piping that is perforated to allow exhaust gases to escape and become muffled in the surrounding packing material of the muffler body. We incorporated an internal X-pipe to allow the exhaust flow to merge smoothly. These characteristics combined were crucial towards reducing and smoothing out the drone in the 2,000-2,400rpm range while enhancing that higher pitched note we were after in both the valves closed and open conditions. With valves open exhaust gases are free to flow through 3″ piping with an x-pipe to enhance the tone before exiting out the tips. Exhaust gases still have a secondary flow path to “talk” with the muffler, encouraging a fuller, more robust tone.
CONSTRUCTION: Each system is assembled in house in the USA out of mandrel bent, thick wall .065″” T304L stainless steel. Back purged TIG welding (with ARCAL™ Prime argon gas) ensures proper weld penetration and longevity. Water jet cut flanges are made to ISO 9001:2015 standards with tolerances of +/- 0.003 inches for extreme precision. We fabricate this exhaust using thick gauge aluminum fixtures which act as a great heat sink during the welding process and prevent warping not only of our products, but the fixtures themselves to ensure perfect fitment.
BOLT ON AND GO: Every component is rigorously quality-checked, tested in a fixture to guarantee fitment, and then foam packed to ensure they arrive in perfect condition. New high grade hardware and valve adapters are included for installation.
LIFETIME WARRANTY: Enjoy your SOUL exhaust components for your Porsche with confidence on both the street and track as they are covered by our Lifetime Warranty! Our team will quickly work with you to resolve any issues or answer any questions that you may have.
Gain a significant sound improvement over factory PSE under all driving conditions with the SOUL Valved Exhaust. A large diameter X-pipe in the primary flow path allows for a refined amount of aggression while a bespoke X-pipe muffler induces a smooth exhaust note as the valves close.
+ All SOUL Performance Products exhaust components are backed by the industry’s first and finest Lifetime Warranty for both street and track use
+ Designed and built in-house at our Willow Grove, PA facility