{"product_id":"m133-4-intake-upgrade-kit-cla45-gla45-amg-cold-air-intake-copy","title":"BenzUnited 4\" Intake Kit + M133 Air Box Extension for CLA45 \u0026 GLA45 AMG","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif; color: #222; line-height: 1.75; max-width: 920px; margin: 0 auto; padding: 24px 20px;\"\u003e\n\n\u003cp style=\"font-size: 17px; color: #333; margin-bottom: 32px;\"\u003e\nThis complete M133 intake system combines a 4\" high-flow K\u0026amp;N intake with a Cerakote-finished air box extension for the CLA45 and GLA45 AMG. It delivers significantly increased airflow, lower intake air temperatures, faster turbo spool, and a more aggressive turbo sound while maintaining excellent fitment and reliability.\n\u003c\/p\u003e\n\n\u003ch2 style=\"font-size: 21px; margin: 0 0 14px; color: #222;\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul style=\"padding-left: 22px; margin-bottom: 32px; line-height: 1.85; font-size: 16px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e4\" High-Flow K\u0026amp;N Intake\u003c\/strong\u003e — Reusable cone filter and 3D-printed heat-resistant tube for maximum airflow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCerakote Air Box Extension\u003c\/strong\u003e — Seals against the hood to draw in colder, denser air and reduce heat soak\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaser-Cut Aluminum Turbo Flange\u003c\/strong\u003e — Precision 3-bolt connection for a strong, leak-free seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower Intake Air Temperatures\u003c\/strong\u003e — Improves turbo efficiency and supports higher power builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Bolt-On Fitment\u003c\/strong\u003e — No cutting or modifications required on 2014–2019 CLA45 \/ GLA45\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"font-size: 21px; margin: 0 0 14px; color: #222;\"\u003eCompatibility\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin-bottom: 40px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #1a1a1a; color: #fff;\"\u003e\n\u003cth style=\"padding: 14px 16px; text-align: left; border: 1px solid #333;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 14px 16px; text-align: left; border: 1px solid #333;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding: 14px 16px; text-align: left; border: 1px solid #333;\"\u003eChassis\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 14px 16px; border: 1px solid #ddd;\"\u003eCLA45 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; border: 1px solid #ddd;\"\u003e2014–2019\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; border: 1px solid #ddd;\"\u003eC117\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 14px 16px; border: 1px solid #ddd;\"\u003eGLA45 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; border: 1px solid #ddd;\"\u003e2015–2019\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; border: 1px solid #ddd;\"\u003eX156\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"font-size: 21px; margin-bottom: 18px; color: #222;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails style=\"margin-bottom: 16px; border-bottom: 1px solid #eee; padding-bottom: 16px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer; font-size: 16px;\"\u003eWill this require tuning?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 24px; color: #444;\"\u003eIt works on stock vehicles, but tuning is highly recommended to take full advantage of the increased airflow.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 16px; border-bottom: 1px solid #eee; padding-bottom: 16px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer; font-size: 16px;\"\u003eIs this compatible with the M139 (45 S models)?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 24px; color: #444;\"\u003eNo — this system is designed specifically for the M133 engine (2014–2019 models).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 16px; border-bottom: 1px solid #eee; padding-bottom: 16px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer; font-size: 16px;\"\u003eHow much power can I expect?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 24px; color: #444;\"\u003e10–15+ HP potential on tuned vehicles, with even greater gains on big builds up to 500+ whp.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdiv style=\"text-align: center; margin: 48px 0 36px;\"\u003e\n\u003ca href=\"#\" style=\"background: #b30000; color: #fff; font-size: 17px; font-weight: 600; padding: 16px 42px; border-radius: 8px; text-decoration: none; display: inline-block; box-shadow: 0 3px 10px rgba(179, 0, 0, 0.25);\"\u003eAdd M133 Complete Intake System to Cart\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"text-align: center; font-size: 14px; color: #555; font-weight: 600; letter-spacing: 0.3px;\"\u003e\nBenzUnited Parts • Premium M133 Intake System • Ships Fast\n\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":47169933508783,"sku":null,"price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/benzunited-parts-m133-complete-intake-kit-4-inch-kn-filter-plus-air-box-extension-cla45-gla45.jpg?v=1783928011","url":"https:\/\/benzunitedparts.com\/products\/m133-4-intake-upgrade-kit-cla45-gla45-amg-cold-air-intake-copy","provider":"BenzUnited Parts","version":"1.0","type":"link"}