How much horsepower can I expect to gain from installing an Invidia downpipe?Significant power gains are achievable, driven by the high-flow catalytic converter and optimized exhaust geometry for Subaru Impreza and Legacy.Is professional installation of an Invidia downpipe required?Professional installation is strongly recommended to ensure proper fitment and maximize the performance benefits of this downpipe.The Invidia Downpipe is engineered for 2005-2014 Subaru Impreza and Legacy models, unlocking optimized engine breathing for exhilarating acceleration and power gains with a usage score of 9 for Street Performance. Featuring a high-flow catalytic converter and an extra O2 bung, this downpipe ensures precise tuning capabilities. Trust Invidia for uncompromising performance and a transformative driving experience.What Owners SayOwners and enthusiasts consistently praise the Invidia high flow catted downpipe for delivering deep, aggressive tone that transforms the exhaust note without being overly obnoxious for daily driving. The volume increase is significantexpect roughly double the sound output when paired with an aftermarket catbackthough many find the balance perfect for street use. Build quality receives mixed feedback, with some units showing excellent welds and construction while others have arrived with concerning issues including pinhole welds, rust, and dents in the catalytic converter. Despite occasional quality control inconsistencies, the downpipe remains a popular choice among the community for its noticeable performance gains and sound improvement, earning respect as a worthwhile upgrade when you receive a properly manufactured unit.Key FeaturesHigh Flow CatExtra 02 BungWhy Choose the INV Downpipe – High Flow CatUnleashes unrestricted exhaust flow for exhilarating acceleration and power gains.Optimizes engine breathing, transforming your Subaru’s responsiveness and torque.Enables precise tuning for peak performance and a more engaging drive.Experience a more aggressive exhaust note and a thrilling auditory sensation.Who Is This For?Street Performance 9/10Optimized exhaust flow for power and response.Track / Autocross 8/10Enhanced throttle response and power gains.Drag Racing 8/10Significant power gains for acceleration.Engine Performance 9/10High flow cat and optimized exhaust improve engine output.Racing Competition 8/10Power gains and enhanced response for competitive driving.Exhaust Note / Sound 7/10High flow cat may alter exhaust sound characteristics.Frequently Asked QuestionsWill the Invidia INV Downpipe – High Flow Cat fit my Subaru?Direct fitment is confirmed for your 2005-2014 Subaru Impreza and Legacy models. This INV Downpipe is engineered to seamlessly integrate with your vehicle’s existing exhaust configuration. Confidently enhance your Subaru’s performance with this specific fitment.How difficult is the Invidia INV Downpipe – High Flow Cat installation?Professional installation is recommended for the Invidia INV Downpipe. This ensures proper alignment and secure connection, adhering to the manufacturer’s guidance for optimal performance and safety. Consult a qualified technician for a seamless upgrade experience.What performance improvement does the INV Downpipe – High Flow Cat provide over stock?Significant power gains and enhanced throttle response are delivered, reflected in a high ‘Engine Performance’ usage score of 9. This downpipe optimizes engine breathing for a more exhilarating drive. Experience a transformed driving sensation through superior exhaust flow.Is the Invidia INV Downpipe – High Flow Cat worth upgrading from OEM?Upgrading from OEM is highly recommended for noticeable performance improvements. The high-flow catalytic converter and optimized design unleash unrestricted exhaust flow, boosting power and torque significantly. This component transforms your Subaru’s engine output for spirited driving.What are the key features of the Invidia INV Downpipe – High Flow Cat?The Invidia INV Downpipe features a high-flow catalytic converter for increased exhaust efficiency and an extra O2 bung for precise tuning capabilities. These elements collectively enhance engine breathing and optimize performance. Experience a more responsive and powerful Subaru.Additional ResourcesOfficial Invidia Product PageImportant Notices CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.{“@graph”:[{“mpn”:”HS08SW1DOC”,”sku”:”INVHS08SW1DOC”,”gtin”:”HS08SW1DOC”,”name”:”INV Downpipe – High Flow Cat”,”@type”:”Product”,”brand”:{“url”:”https://www.invidia-parts.com/”,”name”:”Invidia”,”@type”:”Brand”},”image”:”https://d32vzsop7y1h3k.cloudfront.net/b62409b1-221a-4733-8c64-00001550a0ca-800.jpg”,”offers”:{“@type”:”Offer”,”price”:”999.60″,”seller”:{“url”:”https://www.motorsportmayhem.com”,”name”:”Motorsport Mayhem”,”@type”:”Organization”},”availability”:”https://schema.org/InSt