{"product_id":"ie-lowering-springs-for-audi-b9-b9-5-a4-s4","title":"IE Lowering Springs for Audi B9 \u0026 B9.5 A4 \u0026 S4","description":"\u003cstyle\u003e\n.esp-sec{--acc:#00b38a;--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 var(--acc);border-radius:10px;padding:16px 18px}\n.esp-sec .esp-card h4{margin:0 0 .35rem;font-size:.95rem;text-transform:uppercase;letter-spacing:.05em;color:var(--acc)}\n.esp-sec .esp-card p{margin:0;color:#cfd4d9;font-size:.95rem}\n.esp-sec .esp-img{width:100%;height:auto;border-radius:10px;margin:.4rem 0 0;display:block}\n.esp-sec ul.esp-feat{list-style:none;padding:0;margin:.2rem 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:8px 18px}\n.esp-sec ul.esp-feat li{padding-left:1.4rem;position:relative;color:#d6dadf;margin:0}\n.esp-sec ul.esp-feat li:before{content:\"\";position:absolute;left:0;top:.55em;width:.7rem;height:.7rem;background:var(--acc);border-radius:2px;transform:rotate(45deg)}\n.esp-sec table.esp-spec{width:100%;border-collapse:collapse;margin:.2rem 0 0;font-size:.95rem}\n.esp-sec table.esp-spec th,.esp-sec table.esp-spec td{text-align:left;padding:.6rem .7rem;border-bottom:1px solid var(--line);vertical-align:top;color:#d6dadf;background:transparent}\n.esp-sec table.esp-spec th{width:34%;background:var(--bg);font-weight:600;color:#fff}\n.esp-sec .esp-badges{display:flex;gap:10px;flex-wrap:wrap;margin:.2rem 0 .9rem}\n.esp-sec .esp-badge{display:inline-flex;flex-direction:column;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 16px;min-width:140px}\n.esp-sec .esp-badge span{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--mut)}\n.esp-sec .esp-badge strong{font-size:1.05rem;color:#fff}\n.esp-sec .esp-note{border-left:4px solid var(--acc);background:#0f1f1b;padding:.75rem 1rem;border-radius:0 8px 8px 0;margin:.9rem 0 0;color:#d6dadf}\n.esp-sec details{border:1px solid var(--line);border-radius:8px;padding:.6rem .9rem;margin:0 0 8px;background:var(--bg)}\n.esp-sec details:last-child{margin-bottom:0}\n.esp-sec details summary{cursor:pointer;font-weight:600;list-style:none;color:#fff}\n.esp-sec details 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:#061411;border-radius:6px;text-decoration:none;font-weight:700;font-size:.92rem}\n.esp-sec .esp-doc:hover{background:#00c99b;color:#061411}\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:#061411;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\n\u003ch2\u003eThe Science Of Stance.\u003c\/h2\u003e\n\u003cdiv class=\"esp-split\"\u003e\n\u003cdiv\u003e\u003cp\u003eYour Audi deserves better than the 'lifted' factory look. We obsessed over the measurements to calculate a drop that doesn't just lower the car, it corrects it. By eliminating the factory reverse rake, we’ve achieved a flush, aggressive fender-to-tire fitment that looks right while retaining functional clearance for real-world driving.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg src=\"https:\/\/performancebyie.com\/cdn\/shop\/files\/B9A4_Suncrest_Rollers-7_1.jpg?v=1776224491\u0026amp;width=1400\" alt=\"THE SCIENCE OF STANCE.\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"esp-sec\"\u003e\n\u003ch2\u003eStay Flat. Stay Stuck.\u003c\/h2\u003e\n\u003cdiv class=\"esp-split rev\"\u003e\n\u003cimg src=\"https:\/\/performancebyie.com\/cdn\/shop\/files\/B9_S4_iE_Suspension.jpg?v=1776713289\u0026amp;width=1400\" alt=\"STAY FLAT. STAY STUCK.\" loading=\"lazy\"\u003e\u003cdiv\u003e\u003cp\u003eBody roll is the enemy of grip. iE Performance Springs use carefully tuned rates that keep the chassis flat and composed through high-G corners, keeping the car glued to the pavement.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"esp-sec\"\u003e\n\u003ch2\u003eGoodbye, Understeer.\u003c\/h2\u003e\n\u003cdiv class=\"esp-split\"\u003e\n\u003cdiv\u003e\u003cp\u003eYou’ll feel it in the very first turn. By rebalancing the front-to-rear spring rates, we sharpened turn-in and dialed down the understeer.  Squat is minimized. Dive is controlled. The car simply goes where you point it, instantly.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg src=\"https:\/\/performancebyie.com\/cdn\/shop\/files\/iE_B9_S4_A4_Lowering_Springs.jpg?v=1776713321\u0026amp;width=1400\" alt=\"GOODBYE, UNDERSTEER.\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"esp-sec\"\u003e\n\u003ch2\u003eProgressive Perfection\u003c\/h2\u003e\n\u003cdiv class=\"esp-split rev\"\u003e\n\u003cimg src=\"https:\/\/performancebyie.com\/cdn\/shop\/files\/IESSCK2_Engineering_Image_-_stripes.png?v=1776224530\u0026amp;width=1400\" alt=\"PROGRESSIVE PERFECTION\" loading=\"lazy\"\u003e\u003cdiv\u003e\u003cp\u003ePerformance shouldn’t punish you. Our progressive rate design remains compliant over road imperfections, then ramps stiffness under load. The result is confident body control without the bounce, crash, or harshness of poorly designed springs.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"esp-sec\"\u003e\n\u003ch2\u003eSet And Forget\u003c\/h2\u003e\n\u003cdiv class=\"esp-split\"\u003e\n\u003cdiv\u003e\u003cp\u003eThese springs are built for owners who drive their cars. Engineered to work seamlessly with OEM dampers, Chrome Silicon alloy construction ensures sag-free, consistent performance for the long haul.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg src=\"https:\/\/performancebyie.com\/cdn\/shop\/files\/IESSCK2_Installed-9_1.jpg?v=1776224531\u0026amp;width=1400\" alt=\"SET AND FORGET\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"esp-sec\"\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWill these Audi B9 lowering springs work with my factory shocks?\u003c\/summary\u003e\u003cp\u003eYes, IE springs are specifically calibrated to function with the stock B9 dampers, ensuring long damper life.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo these B9 lowering springs affect Adaptive Suspension modes?\u003c\/summary\u003e\u003cp\u003eNo. The springs are fully compatible with Audi Drive Select. Comfort mode remains compliant, while Dynamic mode becomes even sharper.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow aggressive is the drop on Audi B9 models?\u003c\/summary\u003e\u003cp\u003eBalanced and intentional. The ride height eliminates factory wheel gap and reverse rake without looking slammed or compromising daily usability.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs this a performance spring or a cosmetic spring?\u003c\/summary\u003e\u003cp\u003ePerformance. While we 'nailed the look,' the primary goal was chassis dynamics. The 55CrSi steel and increased spring rates are designed to reduce body roll, stop nose-dive during braking, and sharpen steering response.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs the ride stiff?\u003c\/summary\u003e\u003cp\u003eIt is firmer than stock, as intended for a performance application. However, the Progressive Rate design prevents it from being 'crashy.' You get a connected, sporty feel that communicates what the car is doing.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Integrated Engineering","offers":[{"title":"Default Title","offer_id":68149008073008,"sku":"IESSCK2","price":464.74,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7582\/4176\/files\/IESSCK2-OnBlack-14.jpg?v=1792778377","url":"https:\/\/es-performance.com\/products\/ie-lowering-springs-for-audi-b9-b9-5-a4-s4","provider":"Eurosport Performance","version":"1.0","type":"link"}