Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The Invidia Q300 single‑layer cat‑back exhaust for 2015‑plus Subaru STI 4‑door is a direct‑fit system featuring a quad‑tip outlet and a single‑layer construction that preserves clearance while enhancing exhaust tone. Built to replace the factory cat‑back, it provides a finished appearance and a broadened sound character without major modifications to mounts or routing.
Invidia 15+ Subaru STI 4Dr Q300 Single Layer Stainless Steel Quad Tip Cat-Back Exhaust
