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Real-time Tuning: Changes can be made to the map in real-time while the engine is running
75" filter
The extra O2 bung is great for those thinking about installing a wideband sensor in their future
For example
Killer B Motorsport Dual Washer/Coolant Reservoir - Subaru WRX / STI VA Coolant Expansion Tank Real-time Tuning: Changes can beFits 2008 2014 WRX and 2008+ STI Killer B designed this reservoir to create more space in the engine compartment. But combining two reservoirs into a single component, this will free up more space for other components such as intercooler tube replacement, easier maintenance, and better access to the engine. DETAILS: Made using CNC laser cut and formed aluminum that is 1 8" thick Hand TIG welded to provide reliability under the most severe conditions
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