WORKS Exhale Exhaust: The WORKS modular Exhale series components allow BRZ/FR-S enthusiasts to quickly and easily mix and match the MP (Mid Pipe) and AB (Axle Back) with any of the factory exhaust components. All of our jigs are created in-house using the factory OEM exhaust pieces to ensure a precise and perfect fit every time. The Exhale series are all manufactured in-house using mandrel bends, and includes all of the necessary gaskets, hardware and installation instructions.
Exhale AB: With the exclusive WORKS Exhale AB (Axle Back) bolt-on exhaust, it is a straight through design. Features 64mm (2.5") tubing, T-304 stainless steel 455mm (18") glasspack resonator and beautiful 102mm (4.0") double walled (prevents yellowing and heat exposure to rear bumper), T-304 stainless polished tips with the "WORKS" etched logo. The tips are also positioned to match the contour of the bumper. Direct bolt-on to the factory flange and utilizes all 4 hanger locations with OEM-style mushroom end hangers for precise fitment and swaps back to stock in minutes. Includes gasket and simple installation instructions.
By itself, the gains (~2 HP) are minimal in NA (naturally aspirated) form. Further gains are obtained by including the WORKS MP to complete the cat-back system.
You will save 10.5 lbs. with the WORKS AB but furthermore it produces what some say is the best sounding BRZ/FR-S exhaust they've heard! The volume is not too loud and not too quiet. Mild mannered during cruise and aggressive when you open it up.
The tone is a controlled, deep, throaty growl that lets others know your BRZ/FR-S means business!
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Q&A:
It looks to me like only the right tip is muffled and most of the gasses will just go out the left tip because there will be less resistance to flow there. Is this correct and are there any issues from this?
That is correct that one side passes through the resonator and the other does not. That said, we spent a lot time tuning the left side outlet size (it is slightly downsized) to achieve a good balance between the sound and flow through the two outlets.
This results in both outlets being functional. The design allows for simplicity in construction, smaller packaging and weight savings all while still producing the same power gains as a straight pipe in naturally aspirated cars.
Will I see a loss of low-end torque?
The AB will not result in a loss of low-end torque. The nice thing about the exhaust is that it makes a little bit of power everywhere throughout most of the RPM range. Not just at the peak or one area.
2013-2016 Scion FR-S 2013-2016 Subaru BRZ 2012-2016 Toyota GT86
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WORK RESOGNATED AXLEBACK 
