{"product_id":"bmw-s54-long-tube-headers","title":"BMW E46 M3 S54 Long Tube Header System","description":"\u003cp\u003eAdd serious performance to your BMW S54B32 \/ S54 engines with the BMW E46 M3 S54 Long Tube Header System, engineered to maximise power and flow. Engineered by 5150 AutoSport, this header set is built to the standards demanded by high-performance and motorsport BMW builds.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for BMW S54B32 \/ S54 engines\u003c\/li\u003e\n\u003cli\u003eEngineered to maximise power and exhaust flow\u003c\/li\u003e\n\u003cli\u003eMandrel-quality construction for durability\u003c\/li\u003e\n\u003cli\u003eDesigned for high-performance and forced-induction builds\u003c\/li\u003e\n\u003cli\u003eDirect-fit engineering for the target platform\u003c\/li\u003e\n\u003cli\u003eSupplied by 5150 AutoSport, trusted by BMW enthusiasts worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBMW E46 M3 S54 Long Tube Header System – Stainless Steel Performance Upgrade\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMaximize the power and sound of your BMW E46 M3 with a high-performance long tube header system designed for the 3.2L S54 engine. This system enhances exhaust flow, improving horsepower, torque, and throttle response. Built with precision-engineered 1-3\/4\" primary tubes, it is a direct bolt-on to your existing axle-back exhaust for a seamless installation.\u003c\/p\u003e\u003ch4\u003eProduct Features:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003eConstructed from premium 304 stainless steel for durability and corrosion resistance\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e3\/8\" thick laser-cut flanges provide a warp-free, leak-proof seal\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eHand-ported TIG-welded inlets ensure smooth airflow and optimized performance\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eMerge collectors with scavenger spikes improve exhaust scavenging and power delivery\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eEngineered for direct fitment on all 2001-2006 BMW E46 M3 models\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFor Off-Road and Racing Use Only\u003c\/strong\u003e This header system is intended for motorsport applications and is not legal for use on public roads. Please check local regulations before installation.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBMW S54 Models\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW E46 M3\u003c\/li\u003e\n\u003cli\u003eBMW Z3 M Roadster \/ Coupe\u003c\/li\u003e\n\u003cli\u003eBMW Z4 M Roadster \/ Coupe\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose 5150 AutoSport?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePurpose-built BMW performance engineering\u003c\/li\u003e\n\u003cli\u003eComponents developed for high-power, real-world durability\u003c\/li\u003e\n\u003cli\u003eTrusted by serious BMW engine builders\u003c\/li\u003e\n\u003cli\u003eSpecialist knowledge of forced-induction and high-RPM builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Buy from R44 Performance?\u003c\/h3\u003e\u003cp\u003eR44 Performance supplies premium BMW performance and engine-building components trusted by enthusiasts worldwide.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW specialists\u003c\/li\u003e\n\u003cli\u003eGenuine 5150 AutoSport products\u003c\/li\u003e\n\u003cli\u003eFast UK \u0026amp; worldwide shipping\u003c\/li\u003e\n\u003cli\u003eExpert product support\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUpgrade your BMW S54B32 \/ S54 build with the BMW E46 M3 S54 Long Tube Header System — available now from R44 Performance.\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"1.75\" x 3.5\"","offer_id":57549777043838,"sku":"5150-LTH-S54-75","price":2313.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0280\/7568\/8011\/files\/BMW-S54-Long-Tube-Headers.webp?v=1781532061","url":"https:\/\/r44performance.com\/products\/bmw-s54-long-tube-headers","provider":"R44 Performance","version":"1.0","type":"link"}