{"product_id":"pro-xe-k04-015-audi-1-8t-hybrid-turbo-upgrade","title":"Pro Xe K04-015 Audi 1.8t Hybrid Turbo Upgrade","description":"\u003cp\u003e\u003cstrong\u003ePRO XE K04-015 HYBRID TURBO\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Pro Xe K04-015 Hybrid Turbo is engineered to unlock the true performance potential of the legendary Audi and Volkswagen 1.8T 20V platform while retaining OEM fitment, excellent drivability, and lightning-fast spool.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBuilt around the proven BorgWarner K04-015, this hybrid upgrade delivers substantially greater airflow than the factory turbocharger through a carefully engineered combination of enlarged billet compressor and turbine components. Rather than chasing peak numbers alone, the Pro Xe Hybrid is designed to produce a broad, usable powerband with exceptional transient response and impressive midrange torque, making it equally at home on the street, road course, or drag strip.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEvery turbocharger is completely disassembled, precision machined, hand ported, rebuilt using OEM-quality components, and high-speed VSR balanced to ensure maximum reliability and performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHOW IS IT UPGRADED?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach Pro Xe K04-015 Hybrid Turbo receives extensive machining and airflow improvements throughout the entire turbocharger.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEvery unit features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Fully machined and ported compressor housing\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Fully machined and ported turbine housing\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Maximum wastegate and outlet porting\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Oversized billet compressor wheel\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Oversized 9-blade cutback turbine wheel\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Upgraded journal bearing CHRA components\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• New bearings, seals, and hardware throughout\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe larger billet compressor significantly increases airflow while maintaining excellent compressor efficiency and surge resistance. Paired with an oversized cutback turbine wheel and optimized turbine housing, the Pro Xe Hybrid reduces exhaust restriction, improves high-RPM efficiency, and extends the powerband well beyond the limitations of the factory K04-015.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEvery turbocharger is VSR balanced to 150,000 RPM and thoroughly inspected prior to shipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTURBOCHARGER SPECIFICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompressor Wheel\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Oversized Billet Aluminum Compressor Wheel\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• 7075-T6 Billet Aluminum\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTurbine Wheel\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Oversized 9-Blade Cutback Turbine Wheel\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• High-Temperature Nickel-Chromium Superalloy\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHousing Modifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Fully Ported Compressor Housing\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Fully Ported Turbine Housing\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Maximum Wastegate Porting\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Maximum Outlet Porting\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Optimized Internal Flow Paths\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFLOW CAPABILITY\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Approximately 34-36 lb\/min\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Efficient Operating Range: 20-28 PSI\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePOWER POTENTIAL\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSupporting modifications and ECU calibration dependent.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e93 Octane\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cspan\u003e350+ BHP\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eE85 \/ Race Fuel\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• 380\u003c\/span\u003e\u003cspan\u003e+ BHP\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRECOMMENDED SUPPORTING MODIFICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Custom ECU Calibration\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Larger Fuel Injectors\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• High-Flow Intake System\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Front Mount Intercooler\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• 3” Downpipe \u0026amp; Performance Exhaust\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Upgraded Diverter Valve\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Performance Clutch Recommended\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBILITY\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDirect replacement for BorgWarner K04-015 equipped vehicles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCommon applications include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAudi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eA4 B5 1.8T (Quattro)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTT 8N 1.8T (225 HP)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eS3 8L 1.8T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eA3 8L 1.8T\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVolkswagen\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGolf Mk4 GTI 1.8T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eJetta Mk4 GLI 1.8T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBora 1.8T\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSEAT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLeon Cupra 1.8T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eToledo 1.8T\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eŠkoda\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eOctavia vRS 1.8T\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCORE INSPECTION POLICY\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCustomers wishing to have their existing turbocharger rebuilt or upgraded must contact Pro Xe Automotive before placing an order.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAll customer-supplied turbochargers are inspected prior to approval to ensure the housings and core components meet our standards for restoration and performance use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor customers purchasing a hybrid turbocharger and returning their original core afterward, the same inspection procedure applies. Once approved, the applicable core refund will be issued.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWARRANTY\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e18 Month Warranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCoverage Includes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Turbocharger assembly defects\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• CHRA defects\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Internal balancing and machining workmanship\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty Exclusions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Improper installation\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Oil starvation or contamination\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Foreign object damage\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Improper tuning\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Overspeed or overboost conditions\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003e• Third-party modifications or repairs\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf a warrantable defect is confirmed, Pro Xe Automotive will repair or replace the turbocharger at our discretion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLEAD TIME\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTypical production time is approximately \u003c\/span\u003e\u003cspan\u003e7-8 business days\u003c\/span\u003e\u003cspan\u003e. Contact Pro Xe Automotive for current production lead times.\u003c\/span\u003e\u003c\/p\u003e","brand":"Pro Xe Automotive","offers":[{"title":"Core","offer_id":52249365610786,"sku":null,"price":909.99,"currency_code":"USD","in_stock":true},{"title":"No Core","offer_id":52249365643554,"sku":null,"price":1089.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0976\/0142\/1602\/files\/IMG-3962.jpg?v=1785847679","url":"https:\/\/proxeautomotive.com\/products\/pro-xe-k04-015-audi-1-8t-hybrid-turbo-upgrade","provider":"Pro Xe Automotive","version":"1.0","type":"link"}