Varex SmartBox Bluetooth Exhaust Valve Controller Ram performance exhausts Enhance your Subaru Legacy Gen

Enhance your Subaru Legacy Gen 4 GT's performance and sound with the Xforce Cat Back Exhaust system

eliminating the need for any custom modifications or welding

combined with the straight through style rear mufflers has led to maximum back pressure reductions and improved performance

Constructed of 304-grade stainless steel

Designed for dual outlet vehicles with 5

Varex SmartBox Bluetooth Exhaust Valve Controller Ram performance exhausts Enhance your Subaru Legacy GenWhat is the Smartbox? VAREX Smart Box is a control device with patent pending technology that lets the user manually and automatically adjust the exhaust sound level of the Varex exhaust. Users can operate and make changes to the settings via an elegantly designed Smartphone App. The connections between the Smart Box and smartphones are via the latest Bluetooth technology, which provides a intuitive user experience. SmartBox Precise manual adjustment