{"product_id":"stainless-steel-exhaust-header-10","title":"Stainless Steel Exhaust Header","description":"The Flashark exhaust header is engineered to boost the performance of your 1997-2005 Subaru Impreza RS, TS, Outback\/Outback Sport, and Legacy GT models equipped with the 2.5L non-turbo engine. This results in enhanced horsepower and torque, contributing to a more aggressive throttle response and overall engine efficiency.\n\nThis direct bolt-on exhaust header features an Unequal Length (UEL) design, which is key to achieving the signature deep, throaty Boxer engine sound. With an optimized inlet size of 1.50 inches and an outlet size of 2.25 inches, it is specifically tuned for 2.5L non-turbo engines to maintain high exhaust gas velocity. The manufacturer claims an increase of 15-25 HP and a potential improvement of 0.5 mpg in fuel economy.\n\nInstallation is straightforward with a direct bolt-on design, requiring no welding or modifications. The kit typically includes necessary gaskets and bolts for a complete installation. While a custom tune is not strictly required for the car to run, it is highly recommended to maximize the performance gains and optimize the air-fuel ratio. This product is sold as a Racing Header intended for off-road or track use, and users should check local regulations for street use legality.\n\n**Fitment and Compatibility:**\n*   **Subaru Impreza RS:** 1998-2005 (1998-2001 2-Door Coupe, 2001-2005 4-Door Sedan, 2005 4-Door Wagon) with Factory-equipped 2.5L Boxer 4-Cylinder Engine.\n*   **Subaru Impreza TS:** 2002-2004 4-Door Wagon with Factory-equipped 2.5L Boxer 4-Cylinder Engine.\n*   **Subaru Impreza Outback\/Outback Sport:** 2002-2005 4-Door Wagon with Factory-equipped 2.5L Boxer 4-Cylinder Engine.\n*   **Subaru Legacy GT:** 1997-2005 4-Door Wagon with Factory-equipped 2.5L Boxer 4-Cylinder Engine; **WITHOUT Factory Oil Cooler ONLY.**","brand":"Flashark","offers":[{"title":"Default Title","offer_id":52688373580088,"sku":"FLES08351","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/662660674.webp?v=1784889283","url":"https:\/\/store.motormia.co\/products\/stainless-steel-exhaust-header-10","provider":"MOTORMIA","version":"1.0","type":"link"}