{"product_id":"tgk-motorsport-complete-billet-rear-subframe-insert-kit-audi-b9-a4-s4-rs4-a5-s5-rs5","title":"TGK Motorsport Complete Billet Rear Subframe Insert Kit - Audi B9 A4\/S4\/RS4\/A5\/S5\/RS5","description":"\u003cdiv class=\"tgk\"\u003e\n\u003cdiv class=\"tgk-section\"\u003e\n\u003cdiv class=\"tgk-sh\"\u003e\n\u003cdiv class=\"tgk-ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M7 2h2v2h6V2h2v2h1a2 2 0 012 2v1h-2v1h2v4h-2v1h2v1a2 2 0 01-2 2h-1v2h-6v2H9v-2H7v2H5v-2H4a2 2 0 01-2-2v-1h2v-1H2V9h2V8H2V7a2 2 0 012-2h1V3h2V2zm1 4a1 1 0 00-1 1v8a1 1 0 001 1h8a1 1 0 001-1V7a1 1 0 00-1-1H8zm2 2h4v6h-4V8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"tgk-sh-title\"\u003eOverview\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-p\"\u003eThe TGK Motorsport Complete Billet Rear Subframe Insert Kit transforms your Audi B9 platform's chassis dynamics through precision-engineered rear end reinforcement. This comprehensive solution eliminates flex and instability at critical mounting points, delivering the rigid foundation serious performance driving demands.\u003c\/div\u003e\n\u003cdiv class=\"tgk-p\"\u003eMachined from premium billet materials, this complete kit targets every weakness in the OEM subframe mounting system. Track-proven engineering reduces differential movement under high torque loads while maintaining comfortable street manners, making it essential for enthusiasts pushing their B9 platform to its limits.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-section\"\u003e\n\u003cdiv class=\"tgk-sh\"\u003e\n\u003cdiv class=\"tgk-ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M3 3h18v2H3V3zm0 4h12v2H3V7zm0 4h18v2H3v-2zm0 4h12v2H3v-2zm0 4h18v2H3v-2z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"tgk-sh-title\"\u003eSpecifications\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable class=\"tgk-specs\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003ePremium billet aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eAudi B9 A4\/S4\/RS4\/A5\/S5\/RS5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit Contents\u003c\/td\u003e\n\u003ctd\u003eComplete subframe inserts and rear differential inserts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-section\"\u003e\n\u003cdiv class=\"tgk-sh\"\u003e\n\u003cdiv class=\"tgk-ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M13 2L3 14h9l-1 8 10-12h-9l1-8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"tgk-sh-title\"\u003eFeatures \u0026amp; Benefits\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-feats\"\u003e\n\u003cdiv class=\"tgk-feat\"\u003e\n\u003cdiv class=\"tgk-feat-chk\"\u003e✓\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat-txt\"\u003e\n\u003cb\u003eComplete Subframe Reinforcement\u003c\/b\u003eComprehensive kit eliminates all rear subframe flex points for maximum chassis rigidity and control.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat\"\u003e\n\u003cdiv class=\"tgk-feat-chk\"\u003e✓\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat-txt\"\u003e\n\u003cb\u003ePrecision Billet Construction\u003c\/b\u003eCNC-machined from premium aluminum billets for uncompromising strength and dimensional accuracy.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat\"\u003e\n\u003cdiv class=\"tgk-feat-chk\"\u003e✓\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat-txt\"\u003e\n\u003cb\u003eReduced Differential Movement\u003c\/b\u003eEliminates unwanted differential deflection under high torque scenarios for consistent power delivery.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat\"\u003e\n\u003cdiv class=\"tgk-feat-chk\"\u003e✓\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat-txt\"\u003e\n\u003cb\u003eEnhanced Launch Control\u003c\/b\u003eSignificantly improves stability during aggressive launches and high-load acceleration events.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat\"\u003e\n\u003cdiv class=\"tgk-feat-chk\"\u003e✓\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat-txt\"\u003e\n\u003cb\u003eDirect OEM Integration\u003c\/b\u003eDrop-in replacement design requires no modifications while delivering professional-grade performance gains.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat\"\u003e\n\u003cdiv class=\"tgk-feat-chk\"\u003e✓\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat-txt\"\u003e\n\u003cb\u003eTrack-Proven Performance\u003c\/b\u003eEngineered for both street comfort and track durability across all B9 platform variants.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-section\"\u003e\n\u003cdiv class=\"tgk-sh\"\u003e\n\u003cdiv class=\"tgk-ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M22.7 19l-9.1-9.1c.9-2.3.4-5-1.5-6.9-2-2-5-2.4-7.4-1.3L9 6 6 9 1.6 4.7C.4 7.1.9 10.1 2.9 12.1c1.9 1.9 4.6 2.4 6.9 1.5l9.1 9.1c.4.4 1 .4 1.4 0l2.3-2.3c.5-.4.5-1.1.1-1.4z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"tgk-sh-title\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-item\"\u003e\n\u003cdiv class=\"tgk-faq-q\"\u003eShould I replace my OEM subframe stretch bolts during installation?\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-a\"\u003eYes, TGK Motorsport strongly recommends replacing OEM stretch bolts, especially if they show any signs of stretching or deformation, to ensure optimal safety and performance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-item\"\u003e\n\u003cdiv class=\"tgk-faq-q\"\u003eWhat performance improvements will I notice after installation?\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-a\"\u003eExpect dramatically reduced rear end movement, improved stability during launches and aggressive shifts, enhanced control under high torque loads, and significantly tighter overall chassis dynamics.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-item\"\u003e\n\u003cdiv class=\"tgk-faq-q\"\u003eIs this kit suitable for both street driving and track use?\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-a\"\u003eAbsolutely. This kit is engineered to deliver professional-grade performance on track while maintaining comfortable street manners for daily driving applications.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-item\"\u003e\n\u003cdiv class=\"tgk-faq-q\"\u003eWill this kit work with my lowered suspension setup?\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-a\"\u003eYes, the direct OEM replacement design ensures compatibility with aftermarket suspension components and lowered vehicle configurations.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-item\"\u003e\n\u003cdiv class=\"tgk-faq-q\"\u003eWhat tools are required for installation?\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-a\"\u003eInstallation requires standard automotive tools and a vehicle lift or jack stands. Professional installation is recommended for optimal results and safety.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"TGK Motorsport","offers":[{"title":"Default Title","offer_id":47340219007125,"sku":"TGK-INS-08","price":329.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0776\/6510\/8117\/files\/INS-K04Website.jpg?v=1778267864","url":"https:\/\/autobahnsupplyco.com\/products\/tgk-motorsport-complete-billet-rear-subframe-insert-kit-audi-b9-a4-s4-rs4-a5-s5-rs5","provider":"Autobahn supply co","version":"1.0","type":"link"}