{"id":8950,"date":"2026-08-04T23:27:50","date_gmt":"2026-08-04T23:27:50","guid":{"rendered":"https:\/\/jamesgages.com\/?post_type=product&#038;p=8950"},"modified":"2026-08-05T06:36:11","modified_gmt":"2026-08-05T06:36:11","slug":"thunderheader-exhaust-system-for-harley-davidson-fxr","status":"publish","type":"product","link":"https:\/\/jamesgages.com\/?product=thunderheader-exhaust-system-for-harley-davidson-fxr","title":{"rendered":"Thunderheader Exhaust System for Harley-Davidson FXR"},"content":{"rendered":"<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"1000\" data-end=\"1425\">Upgrade your Harley-Davidson FXR with this genuine Thunderheader exhaust system. Engineered for increased horsepower, improved torque, and enhanced exhaust performance, this exhaust provides the signature Thunderheader sound while maintaining excellent durability. Featuring a polished finish and one-piece design, it&#8217;s an excellent choice for riders restoring an FXR or upgrading to a proven high-performance exhaust system.<\/p>\n<ul>\n<li data-section-id=\"1iltb0m\" data-start=\"1451\" data-end=\"1472\"><strong data-start=\"1453\" data-end=\"1467\">Condition:<\/strong> Used<\/li>\n<li data-section-id=\"1wvurvm\" data-start=\"1473\" data-end=\"1499\"><strong data-start=\"1475\" data-end=\"1485\">Brand:<\/strong> Thunderheader<\/li>\n<li data-section-id=\"94c9hc\" data-start=\"1500\" data-end=\"1535\"><strong data-start=\"1502\" data-end=\"1511\">Type:<\/strong> Complete Exhaust System<\/li>\n<li data-section-id=\"1eel5vj\" data-start=\"1536\" data-end=\"1565\"><strong data-start=\"1538\" data-end=\"1549\">Finish:<\/strong> Polished Chrome<\/li>\n<li data-section-id=\"1khj8ia\" data-start=\"1566\" data-end=\"1587\"><strong data-start=\"1568\" data-end=\"1581\">Material:<\/strong> Steel<\/li>\n<li data-section-id=\"l5izbk\" data-start=\"1588\" data-end=\"1632\"><strong data-start=\"1590\" data-end=\"1599\">Fits:<\/strong> Older Harley-Davidson FXR Models<\/li>\n<li data-section-id=\"1vl9lcz\" data-start=\"1633\" data-end=\"1665\"><strong data-start=\"1635\" data-end=\"1647\">Sold As:<\/strong> Complete Assembly<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"777\" data-end=\"973\">Original Thunderheader exhaust system for Harley-Davidson FXR models. Designed to improve exhaust flow, throttle response, and deliver the deep performance exhaust tone Thunderheader is known for.<\/p>\n","protected":false},"featured_media":8947,"template":"","meta":[],"product_brand":[],"product_cat":[150],"product_tag":[],"class_list":["post-8950","product","type-product","status-publish","has-post-thumbnail","product_cat-exhaust-systems","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/jamesgages.com\/index.php?rest_route=\/wp\/v2\/product\/8950","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jamesgages.com\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/jamesgages.com\/index.php?rest_route=\/wp\/v2\/types\/product"}],"version-history":[{"count":2,"href":"https:\/\/jamesgages.com\/index.php?rest_route=\/wp\/v2\/product\/8950\/revisions"}],"predecessor-version":[{"id":8955,"href":"https:\/\/jamesgages.com\/index.php?rest_route=\/wp\/v2\/product\/8950\/revisions\/8955"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jamesgages.com\/index.php?rest_route=\/wp\/v2\/media\/8947"}],"wp:attachment":[{"href":"https:\/\/jamesgages.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8950"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/jamesgages.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=8950"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/jamesgages.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=8950"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/jamesgages.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=8950"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}