{"product_id":"cts-turbo-boss800-hybrid-turbocharger-upgrade-for-b9-b9-5-audi-s4-audi-s5-audi-sq5-and-more","title":"CTS Turbo BOSS800 Hybrid Turbocharger Upgrade for B9\/B9.5 Audi S4, Audi S5, Audi SQ5 and more","description":"\u003cp data-start=\"118\" data-end=\"378\"\u003eWe’re excited to introduce the new \u003cstrong data-start=\"153\" data-end=\"177\"\u003eBOSS800 hybrid turbo\u003c\/strong\u003e for the Audi\/Porsche \u003cstrong data-start=\"199\" data-end=\"213\"\u003eEA839 3.0T\u003c\/strong\u003e platform. This turbo is a direct-replacement upgrade that delivers a substantial increase in airflow while maintaining OEM style fitment and everyday drivability.\u003c\/p\u003e\n\u003cp data-start=\"385\" data-end=\"648\"\u003eThe BOSS800 is engineered for higher boost efficiency and stronger top-end power without compromising low-RPM response. It features an upgraded compressor and turbine configuration designed to support a wide range of fuel types, from pump gas to ethanol blends.\u003c\/p\u003e\n\u003cp data-start=\"655\" data-end=\"791\"\u003eAll testing shown was conducted on the same vehicle with identical supporting hardware; fuel content was the only variable between runs.\u003c\/p\u003e\n\u003cp data-start=\"195\" data-end=\"528\"\u003ePower gains scale predictably with ethanol content, showing strong midrange torque and sustained power through the upper RPM range. Boost response remains smooth and controlled, making the turbo suitable for both street and track-focused builds. This turbo pulls all the way to redline and has **\u003cstrong\u003emore potential with\u003c\/strong\u003e \u003cstrong\u003eadditional fueling**\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"836\" data-end=\"895\"\u003eTurbocharger specs:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e66mm turbo inlet, larger turbo inlet is required\u003c\/li\u003e\n\u003cli\u003e66mm 7+7 design billet compressor wheel\u003c\/li\u003e\n\u003cli\u003e63mm 9 blade high-flow turbine wheel\u003c\/li\u003e\n\u003cli\u003eStainless steel exhaust housing, matched to increased flow of the turbine wheel\u003c\/li\u003e\n\u003cli\u003eHeavy duty bearings and thrust washers\u003c\/li\u003e\n\u003cli\u003eVSR balanced\u003c\/li\u003e\n\u003cli\u003eCompatible with any exhaust, any charge pipe, and 66mm turbo inlet\u003c\/li\u003e\n\u003cli\u003eTransfer of factory diverter valve and boost pressure relief valve (06M133554A, pay attention on how it is installed).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"836\" data-end=\"895\"\u003eDyno Results from Logic Street Performance (1\/4 mile time: 10.29 at 140mph)\u003c\/h3\u003e\n\u003cul data-start=\"896\" data-end=\"1127\"\u003e\n\u003cli data-start=\"896\" data-end=\"947\"\u003e\n\u003cp data-start=\"898\" data-end=\"947\"\u003e\u003cstrong data-start=\"898\" data-end=\"920\"\u003eRun 1 – 92 Octane:\u003c\/strong\u003e\u003cbr data-start=\"920\" data-end=\"923\"\u003e561whp \/ ~532 lb-ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"948\" data-end=\"1007\"\u003e\n\u003cp data-start=\"950\" data-end=\"1007\"\u003e\u003cstrong data-start=\"950\" data-end=\"980\"\u003eRun 2 – E50 (92 + pump E):\u003c\/strong\u003e\u003cbr data-start=\"980\" data-end=\"983\"\u003e640whp \/ ~643 lb-ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1008\" data-end=\"1067\"\u003e\n\u003cp data-start=\"1010\" data-end=\"1067\"\u003e\u003cstrong data-start=\"1010\" data-end=\"1040\"\u003eRun 3 – E55 (92 + pump E):\u003c\/strong\u003e\u003cbr data-start=\"1040\" data-end=\"1043\"\u003e658whp \/ ~654 lb-ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1068\" data-end=\"1127\"\u003e\n\u003cp data-start=\"1070\" data-end=\"1127\"\u003e\u003cstrong data-start=\"1070\" data-end=\"1100\"\u003eRun 4 – E60 (92 + pump E):\u003c\/strong\u003e\u003cbr data-start=\"1100\" data-end=\"1103\"\u003e671whp \/ ~663 lb-ft\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e**Note that these results were achieved in a vehicle with full bolt-ons and upgraded fueling system (RS6 injectors, HPFP and LPFP upgrade, 4BAR Map sensors) and Logic Street Performance stage 3 tuning. Your result may vary.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParts required for installation (not included):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2x 06M253039G – exhaust manifold gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e1x\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"il\"\u003e059253232C\u003c\/span\u003e – exhaust ring gasket\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e1x WHT006901A – oil feed o-ring\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e3x WHT007689 – oil feed and coolant o-ring\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e4x WHT004982 – barrel nut\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e4x N91130801 – exhaust nut\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e1x WHT007923 – connecting pipe o-ring\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e2x 8K0253115K – exhaust gasket\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e1x N0138441 – seal for boost pressure relief (jet) valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eFitment for vehicles with EA839 engines. Check with your tuner for compatible software:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e2018 – 2023 B9\/B9.5 Audi S4 3.0T\u003c\/li\u003e\n\u003cli\u003e2018 – 2023 B9\/B9.5 Audi S5 3.0T\u003c\/li\u003e\n\u003cli\u003e2018 – 2023 B9\/B9.5 Audi SQ5 3.0T\u003c\/li\u003e\n\u003cli\u003e2020 – 2022 4M Audi Q7 3.0T\u003c\/li\u003e\n\u003cli\u003e2019 – 2022 4M Audi Q8 3.0T\u003c\/li\u003e\n\u003cli\u003e2019 – 2022 C8 Audi A6 3.0T\u003c\/li\u003e\n\u003cli\u003e2019 – 2022 C8 Audi A7 3.0T\u003c\/li\u003e\n\u003cli\u003e2020 – 2024 C8 Audi AllRoad 3.0T\u003c\/li\u003e\n\u003cli\u003e2019 – 2023 D5 Audi A8 3.0T\u003c\/li\u003e\n\u003cli\u003e2019 – 2021 Porsche Macan S 3.0T\u003c\/li\u003e\n\u003cli\u003e2019 – 2023 Porsche Cayenne 3.0T\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CTS TURBO","offers":[{"title":"Default Title","offer_id":52556661555516,"sku":null,"price":2249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/8298\/9628\/files\/TR-2251-1-600x600.jpg?v=1765905926","url":"https:\/\/logicstperformance.com\/products\/cts-turbo-boss800-hybrid-turbocharger-upgrade-for-b9-b9-5-audi-s4-audi-s5-audi-sq5-and-more","provider":"Logic Street Performance ","version":"1.0","type":"link"}