{"product_id":"ecs-tuning-b6-b7-s4-luft-technik-performance-intake-system","title":"ECS Tuning B6\/B7 S4 Luft-Technik Performance Intake System","description":"\u003cstyle\u003e\n.esp-sec{--acc:#e11b22;--ink:#f2f4f6;--mut:#9aa3ad;--line:#2a2f35;--bg:#15181c;--panel:#0b0d0f;background:var(--panel);color:var(--ink);line-height:1.55;padding:22px 26px;border-radius:12px;margin:0 0 14px;display:block;width:100%;box-sizing:border-box}\n.esp-sec *{box-sizing:border-box}\n.esp-sec h2{font-size:1.4rem;letter-spacing:.04em;text-transform:uppercase;margin:0 0 .8rem;padding-left:.75rem;border-left:5px solid var(--acc);line-height:1.15;color:#fff}\n.esp-sec p{margin:0 0 .9rem;color:#d6dadf}\n.esp-sec p:last-child{margin-bottom:0}\n.esp-sec .esp-lead{font-size:1.15rem;color:#fff}\n.esp-sec .esp-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:.4rem 0 0}\n.esp-sec .esp-card{background:var(--bg);border:1px solid var(--line);border-top:3px solid 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summary::-webkit-details-marker{display:none}\n.esp-sec details summary:after{content:\"+\";float:right;color:var(--acc);font-weight:700}\n.esp-sec details[open] summary:after{content:\"\\2013\"}\n.esp-sec details p{margin:.6rem 0 0;color:#cfd4d9}\n.esp-sec .esp-doc{display:inline-block;margin:0 .6rem 0 0;padding:.5rem 1rem;background:var(--acc);color:#ffffff;border-radius:6px;text-decoration:none;font-weight:700;font-size:.92rem}\n.esp-sec .esp-doc:hover{background:#ff3b30;color:#ffffff}\n.esp-sec .esp-note,.esp-sec .esp-doc{float:none}.esp-sec p.esp-note{display:block;clear:both;width:100%}\n.esp-sec .esp-split{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:center}\n.esp-sec .esp-split.rev{grid-template-columns:.9fr 1.1fr}\n.esp-sec .esp-split img{width:100%;height:auto;border-radius:10px;display:block}\n@media(max-width:720px){.esp-sec .esp-split,.esp-sec .esp-split.rev{grid-template-columns:1fr}}\n.esp-sec .esp-card img{width:100%;height:auto;border-radius:8px;margin:0 0 10px;display:block}\n.esp-sec .esp-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}\n.esp-sec .esp-step{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:16px 18px;position:relative}\n.esp-sec .esp-step .n{display:inline-block;width:30px;height:30px;line-height:30px;text-align:center;border-radius:50%;background:var(--acc);color:#ffffff;font-weight:800;margin-bottom:8px}\n.esp-sec .esp-step h4{margin:0 0 .35rem;font-size:.95rem;text-transform:uppercase;letter-spacing:.05em;color:#fff}\n.esp-sec .esp-step .tag{display:inline-block;margin-top:10px;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--acc);border:1px solid var(--acc);border-radius:4px;padding:2px 8px}\n.esp-sec table.esp-suite{width:100%;border-collapse:collapse;font-size:.92rem}\n.esp-sec table.esp-suite th,.esp-sec table.esp-suite td{padding:.5rem .6rem;border-bottom:1px solid var(--line);color:#d6dadf;text-align:center}\n.esp-sec table.esp-suite th{background:var(--bg);color:#fff;text-transform:uppercase;letter-spacing:.06em;font-size:.78rem}\n.esp-sec table.esp-suite td:first-child,.esp-sec table.esp-suite th:first-child{text-align:left}\n.esp-sec table.esp-suite td.y{color:var(--acc);font-weight:800}\n.esp-sec table.esp-suite td.n{color:#555}\n.esp-sec ul.esp-notes{margin:.2rem 0 0;padding-left:1.2rem;color:#d6dadf}\n.esp-sec ul.esp-notes li{margin:0 0 .35rem}\n.esp-sec .esp-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin:.4rem 0 0}\n.esp-sec .esp-stat{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:16px 18px;text-align:center}\n.esp-sec .esp-stat small{display:block;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--mut)}\n.esp-sec .esp-stat strong{display:block;font-size:1.5rem;color:var(--acc);margin:4px 0;line-height:1.1}\n.esp-sec ol.esp-ol{margin:.4rem 0 0;padding-left:1.3rem;color:#d6dadf}.esp-sec ol.esp-ol li{margin:0 0 .4rem}\n.esp-sec .esp-video{position:relative;padding-top:56.25%;border-radius:10px;overflow:hidden;margin:.6rem 0 0}.esp-sec .esp-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}\n\u003c\/style\u003e\n\u003cdiv class=\"esp-sec\"\u003e\u003cdiv class=\"esp-split\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"esp-lead\"\u003eThe ECS Tuning Luft-Technik Induction System for the Audi B6\/B7 S4 4.2L is a precision-engineered upgrade designed to unleash the full character of Audi’s high-revving, naturally aspirated V8. This performance-driven system enhances throttle response, improves airflow, and amplifies the engine’s signature intake growl, transforming every acceleration into a visceral experience.\u003c\/p\u003e\n\u003cp\u003eDeveloped in-house using state-of-the-art design and testing methods, the ECS Luft-Technik system replaces the factory airbox with a free-flowing, less restrictive setup that optimizes the 4.2L powerplant's performance. Engineered for seamless integration, each component is crafted from high-quality, heat-resistant materials for long-lasting performance and an OEM-like fit.\u003c\/p\u003e\n\u003cp\u003eOur system starts with a powder-coated aluminum heat shield that utilizes rubber trim to seal against the underside of the hood. This effectively reduces intake air temperatures, providing consistent power delivery and throttle response in all conditions. The sealed airbox is connected to the throttle body via a CNC-machined billet aluminum adapter, finished in a striking red anodize for durability and visual appeal. A 92mm high-flow silicone inlet connects the adapter to the filter, ensuring a smooth, turbulence-free path for incoming air. This optimized airflow tract enhances velocity, reduces restriction, and promotes improved efficiency for maximum performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cimg src=\"https:\/\/assets.ecstuning.com\/product_library\/1939053_x800.jpg\" alt=\"B6\/B7 S4 Luft-Technik Performance Intake System\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"esp-sec\"\u003e\n\u003ch2\u003ePart Design\u003c\/h2\u003e\n\u003cul class=\"esp-feat\"\u003e\n\u003cli\u003eHeat Shield\u003c\/li\u003e\n\u003cli\u003e— Precision engineered to house the air filter and to stave off engine bay heat\u003c\/li\u003e\n\u003cli\u003e— Heavy-duty aluminum composition\u003c\/li\u003e\n\u003cli\u003e— Features a durable wrinkle black powder-coated finish\u003c\/li\u003e\n\u003cli\u003e— Pre-installed rubber trim is used to seal the airbox from latent engine bay temperatures\u003c\/li\u003e\n\u003cli\u003eAir Filter\u003c\/li\u003e\n\u003cli\u003e— 92mm conical, cotton gauze, cleanable air filter element\u003c\/li\u003e\n\u003cli\u003e— Features a smooth bell-mouth inlet with a conical shape that maximizes filtration surface area\u003c\/li\u003e\n\u003cli\u003e— 8-ply cotton gauze construction provides the best balance between airflow and filtration efficiency\u003c\/li\u003e\n\u003cli\u003eIntake Tube\u003c\/li\u003e\n\u003cli\u003e— Features heavy-duty four-ply fluorosilicone, wire-reinforced construction\u003c\/li\u003e\n\u003cli\u003e— Large 92mm ID provides maximum intake airflow\u003c\/li\u003e\n\u003cli\u003eSecondary Air Injection\u003c\/li\u003e\n\u003cli\u003e— Our system is fully compatible with the OEM SAI emissions system\u003c\/li\u003e\n\u003cli\u003e— The included cotton gauze SAI breather filter provides a fresh air source to the SAI pump, using our custom CNC-machined 6061 aluminum SAI adapter to the OEM SAI hose\u003c\/li\u003e\n\u003cli\u003e— Our adapter slides discreetly through a lower access hole inside the heat shield, where it clips into the factory air injection hose\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"esp-sec\"\u003e\n\u003ch2\u003eProduct Development\u003c\/h2\u003e\n\u003cp\u003eOur Luft-Technik Intake System was designed, engineered, tested, and quality inspected by our Research and Development team in our Wadsworth, Ohio, facility. We strive for the highest level of precision and quality through leading-edge product development technology, including FARO laser scanning for reverse engineering and quality inspection, SolidWorks 3D CAD modeling, rapid prototyping utilizing our in-house 3D printer, and rigorous long-term product testing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"esp-sec\"\u003e\n\u003ch2\u003eInstall\u003c\/h2\u003e\n\u003cdiv class=\"esp-badges\"\u003e\u003cdiv class=\"esp-badge\"\u003e\n\u003cspan\u003eWarranty\u003c\/span\u003e\u003cstrong\u003eLifetime Replacement\u003c\/strong\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cp style=\"margin:0 0 14px;clear:both;display:block\"\u003e\u003ca class=\"esp-doc\" href=\"https:\/\/assets.ecstuning.com\/edoc\/PDF_12267_Audi_B6_B7_S4_Luft-Technik_Intake_System_Installation.pdf\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;float:none;margin:0 .6rem .6rem 0\"\u003eAudi B6\/B7 S4 Intake Install\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ECS Tuning","offers":[{"title":"Default Title","offer_id":67790493024560,"sku":"4845350","price":382.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7582\/4176\/files\/1977004_x800_66ec1b5e-cad1-4d68-afd9-9fcba98377db.jpg?v=1794176790","url":"https:\/\/es-performance.com\/fr-us\/products\/ecs-tuning-b6-b7-s4-luft-technik-performance-intake-system","provider":"Eurosport Performance","version":"1.0","type":"link"}