{"title":"LS Shorty (1999-2002 Chevy trucks and SUVs — factory replacement, NOT LS swap)","description":null,"products":[{"product_id":"stainless-steel-shorty-exhaust-headers-fits-1999-2001-gmc-sierra","title":"Stainless Shorty Headers – 1999–2001 GM 4.8 5.3","description":"\u003cdiv id=\"productDescription_feature_div\" class=\"celwidget\"\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"productDescription_feature_div\" class=\"a-row feature\"\u003e\n\u003cdiv id=\"productDescription\" class=\"a-section a-spacing-small\"\u003e\n\u003cp\u003e\u003cspan\u003eUpgrade your GM truck or SUV’s factory manifold with this stainless steel shorty header system engineered specifically for vehicles equipped with EGR. This kit fits: 2000–2001 GMC Yukon 4.8L \/ 5.3L (2WD \u0026amp; 4WD) 2000–2001 GMC Yukon XL 1500 5.3L (2WD \u0026amp; 4WD) 1999–2001 GMC Sierra 1500 \/ 2500 (4.8L \u0026amp; 5.3L) Note: Fits only models equipped with EGR. Constructed from polished stainless steel and built with 1.75” primary tubing, these headers are designed to improve exhaust efficiency and resist corrosion over time. Thick head and outlet flanges ensure a secure seal, while TIG welds reinforce the structural integrity. Whether you’re refreshing a worn-out manifold or upgrading for smoother flow, this header system offers a solid bolt-on solution—no cutting, no fabrication. All necessary gaskets and bolts are included. Instructions are not provided, and professional installation is strongly advised to ensure compliance and fitment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"importantInformation_feature_div\" class=\"celwidget\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"ask-dp-search_feature_div\" class=\"celwidget\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"brandInsights_feature_div_1\" class=\"celwidget\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"brandInsights_feature_div_3\" class=\"celwidget\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"aplusBrandStory_feature_div\" class=\"celwidget\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"aplus_feature_div\" class=\"celwidget\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"aplusSustainabilityStory_feature_div\" class=\"celwidget\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"sims-simsContainer_feature_div_21\" class=\"celwidget\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"postPurchaseSideSheet_MP_feature_div\" class=\"celwidget\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"postPurchaseWhatsInTheBox_MP_feature_div\" class=\"celwidget\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"productDocuments_feature_div\" class=\"celwidget\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"sponsoredProducts2_feature_div\" class=\"celwidget\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"sims-sponsoredProducts2_feature_div_01\" class=\"celwidget\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"va-related-videos-widget_feature_div\" class=\"celwidget\"\u003e\n\u003cdiv class=\"celwidget c-f\"\u003e\n\u003cdiv class=\"a-cardui-deck\" id=\"CardInstance0BdRNtbAUxWw5hOSzbIkzw\" name=\"a-cardui-deck-autoname-0\"\u003e\n\u003cdiv class=\"a-cardui vse-vw-dp _dnNlL_vseVideoWidgetContainer_3HDIT vse-video-widget-dp-container vse-video-widget-container ive-lite-player\" name=\"a-cardui-deck-autoname-0-card0\"\u003e\n\u003cdiv class=\"a-cardui-body\"\u003e\n\u003cdiv class=\"a-section a-spacing-small\"\u003e\n\u003cdiv class=\"_dnNlL_vseVideoWidgetHeaderBlock_2t4B0 a-spacing-small\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0716\/4664\/2498\/files\/CAE-270.png?v=1789022011\" alt=\"\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Certified Automotive Experts","offers":[{"title":"Default Title","offer_id":51151114895682,"sku":"CAE-270","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/4664\/2498\/files\/hero_7_f1307417-f0d6-4cd7-90b5-11ac1ef5a166.png?v=1775824181"},{"product_id":"ls-swap-long-tube-headers-for-1979-2004-ford-mustang-fox-body","title":"Polished Long Tube Headers – Fox Body LS Swap","description":"\u003cp\u003eHigh-performance \u003cstrong\u003estainless steel long tube headers\u003c\/strong\u003e designed for \u003cstrong\u003eLS engine swaps\u003c\/strong\u003e in Fox Body and SN95 Mustangs. CNC flanges and mandrel bent tubing improve exhaust flow and scavenging, supporting horsepower gains in naturally aspirated or boosted LS builds. Compatible with aftermarket swap components like tubular K-members and aftermarket steering shafts.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1 7\/8” \u003cstrong\u003emandrel bent primaries\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e3” \u003cstrong\u003ecollector outlet\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePolished 304 stainless steel\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCNC machined header flanges\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncludes \u003cstrong\u003egraphite gaskets\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for LS engine swaps only\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eEngine \u0026amp; Vehicle Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGM LS engines:\u003c\/strong\u003e 4.8L, 5.3L, 5.7L LS1, 6.0L LS2\/LQ4\/LQ9, 6.2L LS3\/L92\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVehicles:\u003c\/strong\u003e 1979–1993 Fox Body, 1994–2004 SN95 \/ New Edge\u003cbr\u003e\u003cem\u003eNot compatible with stock Ford engines.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eFitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBest installed with \u003cstrong\u003etubular K-member\u003c\/strong\u003e, LS swap mounts, and aftermarket steering shafts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClearance depends on your \u003cstrong\u003eengine placement, K-member, and steering components\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMinor adjustments may be needed; \u003cstrong\u003eprofessional installation recommended\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLS Swap Builder Guide:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eSwapping a GM LS engine into a Fox Body Mustang is one of the most popular performance upgrades in the Mustang community. However, header fitment can vary depending on the swap components used in your build. This guide outlines common setup considerations to help builders achieve the best results.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eK-Member Compatibility\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eMost LS swap builds require a tubular aftermarket K-member to position the engine correctly within the Mustang chassis. Many builders use components such as an AJE tubular K-member or similar aftermarket swap systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTubular K-members provide additional clearance around the engine and exhaust area, making it easier to route long tube headers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eUsing the factory Mustang K-member may create clearance limitations and may require additional modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eSteering Shaft Clearance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eFox Body LS swaps often require an aftermarket steering shaft to create sufficient clearance between the steering linkage and the header tubes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eMany builders use steering shafts from companies such as Flaming River or similar aftermarket manufacturers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eDepending on the exact engine position and swap components used, clearance adjustments may be required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eEngine Mount Position\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eLS swap motor mounts determine the final engine placement within the chassis. Engine position can influence header clearance with the firewall, steering shaft, and K-member.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eUsing swap mounts designed specifically for Fox Body LS conversions typically produces the best fitment results.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eExhaust System Integration\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThese headers use a 3-inch collector outlet which is compatible with many custom exhaust systems used in LS swap builds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eBuilders commonly connect the collectors to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eCustom dual exhaust systems\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eX-pipe or H-pipe systems\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTurbo or forced induction setups\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eBecause every LS swap build is slightly different, exhaust routing after the collectors will typically be fabricated to suit the specific vehicle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eImportant Fitment Note\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eLS swap builds vary significantly depending on engine placement, K-member design, steering shaft configuration, and transmission choice. While these headers are commonly used in Fox Body LS conversions, fitment can vary based on the components used in each build.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eProfessional installation and proper swap planning are recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eCommon LS Swap Questions\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eWill these headers fit with a stock Mustang engine?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eNo. These headers are designed specifically for LS engine swap projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eWill these headers fit with the factory K-member?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eMost LS swaps use a tubular aftermarket K-member for proper engine placement and header clearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eDo these headers clear the steering shaft?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eClearance depends on the steering shaft and motor mounts used in your build. Many builders install an aftermarket steering shaft to ensure proper clearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eDo these headers work for turbo builds?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eYes. Long tube headers are commonly used in turbo LS swap setups where the collectors are used as the starting point for custom turbo piping.\u003c\/span\u003e\u003c\/p\u003e","brand":"Certified Automotive Experts","offers":[{"title":"Default Title","offer_id":52279548346690,"sku":"CAE-018","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/4664\/2498\/files\/image1.png?v=1784809432"}],"url":"https:\/\/certifiedautomotiveexperts.com\/collections\/ls-shorty-1999-2002-chevy-trucks-and-suvs-factory-replacement-not-ls-swap.oembed","provider":"Certified Automotive Experts","version":"1.0","type":"link"}