BORLA 140595 Cat Back Exhaust System, Impreza WRX / WRX STI Sedan 2.0L / 2.5L Turbo, 2015-16, sound S-Type ymm_40 The muffler includes an H-Pipe

The muffler includes an H-Pipe for increased performance and improved sound

Most applications have undercut short bolts that can help eliminate head gasket failures through providing more “stretch” to compensate for the additional compression of gaskets

It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants

This Cat-Back exhaust system is designed for the Porsche Boxster and Boxster S

BORLA 140595 Cat Back Exhaust System, Impreza WRX / WRX STI Sedan 2.0L / 2.5L Turbo, 2015-16, sound S-Type ymm_40 The muffler includes an H-PipeDescription BORLA 140595 Cat Back Exhaust System, Impreza WRX WRX STI Sedan 2. 0L 2. 5L Turbo, 2015 16, sound S Type This 3" diameter into dual 2. 25" Cat Back system is tuned for performance and sound for both the 2. 0L engine in the WRX and the 2. 5L engine in the STI. The S Type sound level is designed to bring out the Subaru Boxer engine rumble and provides an aggressive sound without drone. This system features quad (2 per muffler) 3. 5" round