{"product_id":"porsche-gt4-boxster-spyder-competition-headers","title":"Porsche 981 GT4 \/ Boxster Spyder \/ Clubsport SOUL Competition Headers","description":"\u003cp\u003eYou’ll notice the weight savings, decreased operating temperatures and improved engine response – all beneficial on the street or track. This header was designed to extract maximum power from the incredible 3.8L engine and add more of the incredible high-strung flat six symphony that the GT4 is known for.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDETAILS\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003e+\u003c\/strong\u003e \u003cstrong\u003e \u003c\/strong\u003eFits all 981 Porsche GT4 \/ Boxster Spyder \/ Clubsport vehicles (2015-2016)\u003cbr\u003e\n\u003cstrong\u003e+\u003c\/strong\u003e Direct bolt on installation – instructions included\u003cbr\u003e\n\u003cstrong\u003e+\u003c\/strong\u003e Power gains of over 20whp\u003cbr\u003e\n\u003cstrong\u003e+\u003c\/strong\u003e All Soul Performance Products are backed by a renowned \u003ca href=\"https:\/\/soulpp.com\/warranty\/\"\u003eLifetime Warranty\u003c\/a\u003e for both street and track use\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDEVELOPMENT AND TESTING:\u003c\/b\u003e By creating a unique application for the 981 platform, we’ve focused on sizing the runners (2”) and collectors correctly to extract maximum power from the 3.8L engine. Third party dyno testing on a Dyno Dynamics dynamometer revealed gains of 40 whp when paired with a tune, with 20 whp gains unlocked by Competition Headers alone after the tune had been applied.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"aligncenter wp-image-2487 size-large\" src=\"https:\/\/soulpp.com\/wp-content\/uploads\/2026\/02\/GT4_Dyno.jpg\" alt=\"\" width=\"1024\" height=\"465\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCONSTRUCTION: \u003c\/b\u003eEach header is assembled out of T304L stainless steel and rigorously quality checked in-house. Proven design elements including port matched flanges, smooth radius primary tubing, and collectors that optimize the exhaust flow all work in conjunction to maximize power gains.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBOLT ON AND GO: \u003c\/b\u003eEach header is tested in a fixture to ensure perfect fitment and then foam packed to ensure they arrive in perfect condition. Thorough installation instructions are included in the box for a straightforward install that can be performed by most DIY enthusiasts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCHECK ENGINE LIGHT?: \u003c\/strong\u003e This product may trigger a check engine light due to removal of factory catalytic converters. O2 Spacers are available to reduce any chances of triggering a CEL. We suggest a \u003ca href=\"https:\/\/soulpp.com\/product\/porsche-gt4-boxster-spyder-softronic-ecu-tune\/\"\u003ecustom ECU tune\u003c\/a\u003e to disable any check engine lights (for track use only).\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eLIFETIME WARRANTY: \u003c\/b\u003eEnjoy your SOUL headers with confidence on both the street and track as they are covered by our \u003ca href=\"https:\/\/soulpp.com\/warranty\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eLifetime Warranty\u003c\/a\u003e! Our team will quickly work with you to resolve any issues or answer any questions that you may have.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003e+\u003c\/strong\u003e This product may trigger a check engine light due to catalyst removal\u003cbr\u003e\n\u003cstrong\u003e+ \u003c\/strong\u003eThis product is not CARB certified and may not be legal for use on emissions controlled vehicles; intended for off road use only due to removal of factory catalytic converters\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cdiv class=\"elfsight-app-e3a33508-b576-4d04-b956-b8e6087ed8d0\"\u003e\u003c\/div\u003e","brand":"SOUL PERFORMANCE PRODUCTS","offers":[{"title":"No","offer_id":43480483102781,"sku":"POR.GT4.COH","price":3475.0,"currency_code":"USD","in_stock":true},{"title":"Yes","offer_id":43480483135549,"sku":"POR.GT4.COHO2","price":3535.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/5024\/files\/981-Headers4-1-8.jpg?v=1787011461","url":"https:\/\/www.euromotiv.com\/products\/porsche-gt4-boxster-spyder-competition-headers","provider":"Euromotiv","version":"1.0","type":"link"}