{"product_id":"porsche-718-gt4-rs-soul-sport-cat-over-axle-pipes","title":"Porsche 718 GT4 RS \/ Spyder RS SOUL Sport Cat Over Axle Pipes","description":"\u003cp\u003e\u003cspan style=\"font-weight: 400\"\u003eIn order to provide the most effective and efficient performance solution for the GT4 RS, we opted not to offer a catted header replacement, but instead provide a modular Over Axle Pipe with a catalytic converter. As a standalone piece, our Sport Cat Over Axle Pipe with high-flow cats will deliver tangible sound and performance gains as it replaces the empty particulate filter on the factory units, and paired with our Competition Headers it is a remarkable increase while still retaining a monitored catalytic converter for emissions concerns.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400\"\u003eTo combat excess heat from the cat core, each of our Sport Cat Over Axle Pipes will include a heat solution as standard.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDETAILS:\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003e+\u003c\/strong\u003e Fits 718 GT4 RS \/ Spyder RS with factory or upgraded headers or rear exhaust\u003cbr\u003e\n\u003cstrong\u003e+\u003c\/strong\u003e Weighs 6.3 lbs \/ 2.86 kg less than factory OAPs (18.7 lbs vs 25 lbs factory)\u003cbr\u003e\n\u003cstrong\u003e+\u003c\/strong\u003e No check engine light on North American cars, ECU tuning required for European cars\u003cbr\u003e\n\u003cstrong\u003e+\u003c\/strong\u003e All SOUL Performance Products exhaust components are backed by the industry’s first and finest Lifetime Warranty for both street and track use\u003cbr\u003e\n\u003cstrong\u003e+\u003c\/strong\u003e Designed and built in-house at our Willow Grove, PA facility\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDEVELOPMENT: \u003cspan style=\"font-weight: 400\"\u003eIn order to provide the most effective and efficient performance solution for the GT4 RS, we opted not to offer a catted header replacement, but instead provide a modular Over Axle Pipe with a catalytic converter. As a standalone piece, our Sport Cat Over Axle Pipe with high-flow cats will deliver tangible sound and performance gains as it replaces the empty particulate filter on the factory units, and paired with our Competition Headers it is a remarkable increase while still retaining a monitored catalytic converter for emissions concerns.\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/soulpp.com\/wp-content\/uploads\/2026\/02\/JMW_2028-1.jpg\"\u003e\u003cimg class=\"aligncenter size-large wp-image-19711\" src=\"https:\/\/soulpp.com\/wp-content\/uploads\/2026\/02\/JMW_2028-1.jpg\" alt=\"\" width=\"1024\" height=\"682\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCONSTRUCTION: \u003c\/b\u003eEach set is assembled in house in the USA out of mandrel bent, thick wall .065″” T304L stainless steel. Back purged TIG welding (with \u003ca href=\"https:\/\/soulpp.com\/2019\/12\/13\/tech-talk-airgas-arcal-prime\/\"\u003eARCAL™ Prime argon gas\u003c\/a\u003e) ensures proper weld penetration and longevity. Water jet cut flanges are made to ISO 9001:2015 standards with tolerances of +\/- 0.003 inches for extreme precision. We fabricate these over axle pipes using thick gauge aluminum fixtures which act as a great heat sink during the welding process and prevent warping not only of our products, but the fixtures themselves to ensure perfect fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBOLT ON AND GO: \u003c\/b\u003eEach set is rigorously quality-checked, tested in a fixture to guarantee fitment, and then foam packed to ensure they arrive in perfect condition. New high grade hardware is included for installation.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eLIFETIME WARRANTY: \u003c\/b\u003eEnjoy your SOUL exhaust components 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","brand":"SOUL PERFORMANCE PRODUCTS","offers":[{"title":"Default Title","offer_id":43480490672189,"sku":"POR.718GT4RS.SOP","price":3995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/5024\/files\/SOUL-Performance-Products-Porsche-718-GT4-RS-Sport-Cat-Over-Axle-Pipes-Product-1.jpg?v=1787011576","url":"https:\/\/www.euromotiv.com\/products\/porsche-718-gt4-rs-soul-sport-cat-over-axle-pipes","provider":"Euromotiv","version":"1.0","type":"link"}