{"title":"Intake Manifolds - Runners","description":null,"products":[{"product_id":"fastmedium-stacks-8pk-for-146106-146204-intakes","title":"FAST Medium Intake Stacks (8pk) — Fits LSXHR Intake Manifold","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout FAST\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eFAST engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FAST lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eOptimize Your Power Band with FAST Medium Intake Stacks\u003c\/h2\u003e\u003cp\u003eFine-tune the performance of your FAST LSXHR intake manifold with these \u003cstrong\u003eMedium Intake Stacks\u003c\/strong\u003e. Designed to be swapped into your existing manifold, these stacks allow you to adjust the intake runner length to better suit your engine's specific power band requirements. Whether you are looking to shift your torque curve for better low-end punch or higher-RPM horsepower, these stacks are an essential tool for the serious engine builder.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for FAST LSXHR (146106 \u0026amp; 146204) intake manifolds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet of 8:\u003c\/strong\u003e Complete set for all cylinders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium Length:\u003c\/strong\u003e Provides a balanced profile for versatile performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Material:\u003c\/strong\u003e High-quality black plastic construction for long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAdjusting runner length is a proven method for optimizing volumetric efficiency in high-performance engines. By using these FAST medium stacks, you can tailor your intake manifold's resonance tuning to match your camshaft profile and exhaust system. The installation process is straightforward, allowing you to quickly test different configurations on the dyno or at the track to find the perfect setup for your vehicle. Enhance your engine's efficiency and unlock hidden power with these precision-engineered components. Find all your intake manifold accessories and tuning parts at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular FAST products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/fastdistributor-cap\" style=\"color:#0066cc;text-decoration:none;\"\u003eFAST 1000-1403 Distributor Cap — Fits HEI Style V8 Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/fastadapter-large-dist-cap\" style=\"color:#0066cc;text-decoration:none;\"\u003eFAST Distributor Cap Adapter Small to Large Black Clip-On — Universal Fitment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/fastdistributor-cap-small-diameter\" style=\"color:#0066cc;text-decoration:none;\"\u003eFAST Small Diameter Distributor Cap HEI Brass Terminals — Fits Chevy V8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/fastrace-billet-distributor-chevy-v8-small-cap\" style=\"color:#0066cc;text-decoration:none;\"\u003eFAST Race Billet Distributor Magnetic Trigger Small Cap — Fits Chevy V8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/fastoptical-trigger-sensor-unit-w-weatherpak-term\" style=\"color:#0066cc;text-decoration:none;\"\u003eFAST Optical Trigger Sensor Unit Weatherpak Terminal — Fits Pro Race Dist.\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"FAST Medium Intake Stacks (8pk) \\u2014 Fits LSXHR Intake Manifold\",\"description\":\"Fine-tune your engine's power band with FAST Medium Intake Stacks for LSXHR manifolds. Set of 8. Get yours at GGCRACING today!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"FAST\"},\"mpn\":\"146073-8\",\"url\":\"https:\/\/ggcracing.com\/products\/fastmedium-stacks-8pk-for-146106-146204-intakes\",\"offers\":{\"@type\":\"Offer\",\"price\":\"119.95\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/fastmedium-stacks-8pk-for-146106-146204-intakes\",\"sku\":\"DXKP_146073-8\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Intake\",\"item\":\"https:\/\/ggcracing.com\/collections\/intake\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"FAST\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=FAST\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"FAST Medium Intake Stacks (8pk) \\u2014 Fits LSXHR Intake Manifold\",\"item\":\"https:\/\/ggcracing.com\/products\/fastmedium-stacks-8pk-for-146106-146204-intakes\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the FAST Medium Intake Stacks (8pk) \\u2014 Fits LSXHR Intake Manifold fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for FAST?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the FAST Medium Intake Stacks (8pk) \\u2014 Fits LSXHR Intake Manifold?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cold air intakes typically install in 30-60 minutes with basic hand tools. No tuning required for most plug-and-play kits.\"}}]}\u003c\/script\u003e","brand":"FAST","offers":[{"title":"Default Title","offer_id":41122515484756,"sku":"DXKP_146073-8","price":153.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/FST146073-8.jpg?v=1717390245"},{"product_id":"lsx-lxr-intake-runner-set-102mm-high-hp-8pk","title":"FAST LSX\/LXR Intake Runner Set 102mm High HP (8pk) — Intake Manifolds - Runners","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout FAST\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eFAST engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FAST lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eUnleash Peak Performance with FAST LSX\/LXR Intake Runners\u003c\/h2\u003e\n\u003cp\u003eElevate your GM LS-Series engine's potential with the FAST LSX\/LXR 102mm High HP Intake Runner Set. Engineered for maximum airflow and performance, these runners are designed to complement your Fast LSXRT intake manifold, delivering a significant boost in horsepower and torque. Whether you're building a race car or a high-performance street machine, these components are crucial for achieving top-tier results.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features and Benefits:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-HP Design:\u003c\/strong\u003e Optimized for high-horsepower applications, ensuring superior airflow when you need it most.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e102mm Compatibility:\u003c\/strong\u003e Perfectly matched for 102mm throttle body applications, maintaining optimal air velocity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Composite Construction:\u003c\/strong\u003e Made from high-quality composite materials for longevity and resistance to heat and chemicals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnhanced Airflow:\u003c\/strong\u003e Promotes smoother and more efficient air delivery to the cylinders, improving combustion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSet of 8:\u003c\/strong\u003e Includes all eight runners required for a complete engine installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Fit for GM LS-Series:\u003c\/strong\u003e Designed as a direct replacement for specific GM LS-Series engines, ensuring a hassle-free installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThese intake runners are an essential upgrade for enthusiasts looking to push the limits of their LS-based engine. Experience improved throttle response, increased power output, and a more aggressive engine note. Invest in quality components that deliver tangible performance gains. Get your FAST LSX\/LXR Intake Runner Set today from GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular FAST products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/fastdistributor-cap\" style=\"color:#0066cc;text-decoration:none;\"\u003eFAST 1000-1403 Distributor Cap — Fits HEI Style V8 Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/fastadapter-large-dist-cap\" style=\"color:#0066cc;text-decoration:none;\"\u003eFAST Distributor Cap Adapter Small to Large Black Clip-On — Universal Fitment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/fastdistributor-cap-small-diameter\" style=\"color:#0066cc;text-decoration:none;\"\u003eFAST Small Diameter Distributor Cap HEI Brass Terminals — Fits Chevy V8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/fastrace-billet-distributor-chevy-v8-small-cap\" style=\"color:#0066cc;text-decoration:none;\"\u003eFAST Race Billet Distributor Magnetic Trigger Small Cap — Fits Chevy V8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/fastoptical-trigger-sensor-unit-w-weatherpak-term\" style=\"color:#0066cc;text-decoration:none;\"\u003eFAST Optical Trigger Sensor Unit Weatherpak Terminal — Fits Pro Race Dist.\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"FAST LSX\/LXR Intake Runner Set 102mm High HP (8pk) \\u2014 Intake Manifolds - Runners\",\"description\":\"Boost your GM LS-Series engine with FAST LSX\/LXR 102mm High HP Intake Runners. Enhance performance and airflow. Shop now at GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"FAST\"},\"mpn\":\"146070\",\"url\":\"https:\/\/ggcracing.com\/products\/lsx-lxr-intake-runner-set-102mm-high-hp-8pk\",\"offers\":{\"@type\":\"Offer\",\"price\":\"452.95\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/lsx-lxr-intake-runner-set-102mm-high-hp-8pk\",\"sku\":\"DXKP_146070\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Intake\",\"item\":\"https:\/\/ggcracing.com\/collections\/intake\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"FAST\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=FAST\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"FAST LSX\/LXR Intake Runner Set 102mm High HP (8pk) \\u2014 Intake Manifolds - Runners\",\"item\":\"https:\/\/ggcracing.com\/products\/lsx-lxr-intake-runner-set-102mm-high-hp-8pk\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the FAST LSX\/LXR Intake Runner Set 102mm High HP (8pk) \\u2014 Intake Manifolds - Runners fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for FAST?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the FAST LSX\/LXR Intake Runner Set 102mm High HP (8pk) \\u2014 Intake Manifolds - Runners?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cold air intakes typically install in 30-60 minutes with basic hand tools. 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