{"product_id":"sl55-long-tube-headers","title":"SL55 Long Tube Headers","description":"\u003cp\u003eEngineered and perfected on our own in-house shop car, the MBH Motorsports SL55 AMG Long Tube Headers are designed to deliver extraordinary performance. By eliminating severe factory exhaust restrictions, this system unlocked an astonishing \u003cb\u003e+46 wheel horsepower over stock\u003c\/b\u003e during our dyno testing—giving the heavy R230 chassis the aggressive, raw acceleration needed to outrun many modern supercars.\u003c\/p\u003e\n\u003cp\u003eBuilt to uncompromising standards, these headers feature heavy-duty 16-gauge T-304 stainless steel primary tubes mated to warp-resistant T-321 stainless steel flanges. To guarantee maximum exhaust gas velocity, every unit is precisely purge-welded and individually hand-ported at the flange to ensure flawlessly smooth internal airflow with zero turbulence.\u003c\/p\u003e\n\u003ch4\u003eHandcrafted USA Quality \u0026amp; Precision Fitment\u003c\/h4\u003e\n\u003cp\u003eProudly hand-fabricated in the USA, this header system is the ultimate starting point if you are looking to add substantial, dyno-proven power to your SL55 AMG. Beyond the sheer power increase, it unlocks the aggressive supercharged V8 roar that the M113K engine is famous for.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMassive Power Gains:\u003c\/b\u003e Dyno-proven to add \u003cb\u003e+46 wheel horsepower\u003c\/b\u003e over restrictive stock exhaust manifolds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIn-House Developed:\u003c\/b\u003e Fine-tuned and rigorously tested on the MBH Motorsports SL55 AMG project car for optimal performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUSA 16-Gauge T-304 Stainless Steel:\u003c\/b\u003e Handcrafted in the USA using premium American stainless steel for ultimate thermal endurance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eT-321 Stainless Flanges:\u003c\/b\u003e Utilizes ultra-durable T-321 stainless steel at the mounting flanges to prevent warping and exhaust leaks under extreme heat.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePrecision Craftsmanship:\u003c\/b\u003e Fully purge-welded and hand-ported to eliminate turbulence and maximize exhaust scavenging.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBroad Compatibility:\u003c\/b\u003e Fits R230 SL500 models when paired with smaller connecting pipes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEngine:\u003c\/b\u003e Mercedes-AMG M113K 5.4L V8 Supercharged (SL55) \/ M113 5.0L V8 (SL500)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eChassis:\u003c\/b\u003e Mercedes-Benz SL55 AMG \u0026amp; SL500 (R230)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003eDisclaimer: For off-road racing and competition use only. This product is not intended to be installed on a registered vehicle for use on public roads or highways and may never be installed on a registered or licensed vehicle for use on any public roads and highways.\u003c\/i\u003e\u003c\/p\u003e","brand":"MBH Motorsports","offers":[{"title":"Original 1-3\/4\" primaries w\/ standard collector \/ No coating","offer_id":43346789564451,"sku":"MBHSL55LTH","price":2085.0,"currency_code":"USD","in_stock":true},{"title":"Magnum 1-7\/8\" primaries w\/ 3\" collector \/ No coating","offer_id":43346789597219,"sku":"MBHSL55MLTH","price":2285.0,"currency_code":"USD","in_stock":true},{"title":"Original 1-3\/4\" primaries w\/ standard collector \/ Cerakote (+$365)","offer_id":44138498818083,"sku":"MBHSL55LTH-CK","price":2450.0,"currency_code":"USD","in_stock":true},{"title":"Magnum 1-7\/8\" primaries w\/ 3\" collector \/ Cerakote (+$365)","offer_id":44138498850851,"sku":"MBHSL55MLTH-CK","price":2650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/5122\/4611\/files\/SL55_Headers.jpg?v=1784075377","url":"https:\/\/mbhmotorsports.com\/products\/sl55-long-tube-headers","provider":"MBH Motorsports","version":"1.0","type":"link"}