Subaru Impreza WRX
Secondary O2 bung is J-hooked for testing so the car doesn't have to been tuned for special off-road/cat-less testing
Arctic White WA-9567
but changing conditions and certain modifications (like Nitrous Oxide or high octane race fuel) can benefit from further adjustment to the timing
including Z06 (*not intended for use with Z07 package when utilizing larger "track use" winglets/end-plates)
Corsa Performance 2005-2019 Dodge Challenger, Charger, Chrysler 300, 5.7L V8, Long Tube Headers 1.75" x 3.0" Catless/Offroad (16108) Xtreme+ Sound Level W/Connection Pipes 3.63" Subaru Impreza WRXCorsa Performance 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 Dodge Challenger, Charger, 300 5. 7L V8 Long Tube Headers 1. 75 x 3. 0 Catless Long Tube Headers XTREME+ Sound Level CORSA Performance 2009 2018 Dodge Challenger, Charger, 300, 5. 7L V8 long tube headers offer a perfect pairing to CORSA's cat back exhaust systems to maximize Horsepower and Torque delivering up to 29HP and 27 FTLBS TQ when paired