{"type":"firestarter.listing","listing":{"id":"lst_c_IlAXoa","product_name":"Soul Performance Porsche 996 Carrera 4S SOUL Valved Side Mufflers","category":"Muffler","description":"At the press of a button, our Valved Side Mufflers open up Cup car-inspired sound through an aggressive, free-flowing design, which can be further amplified by aftermarket catalytic converter replacements. But with valves closed, our drone-fighting mufflers play a crucial role in minimizing unwanted cabin resonance–even paired with other aftermarket components!\nDETAILS:+  Fits Porsche 996 Carrera 4S+  Weighs 14.5 lbs / 6.5 kg less than factory PSE exhaust system (35.4 lbs vs. 49.9 lbs)+  Fully compatible with factory valve controls+  Designed and built in-house at our Willow Grove, PA facility+  All SOUL Performance Products are backed by a renowned Lifetime Warranty for both street and track use\nDescription\nDEVELOPMENT:  Our goal was to deliver a premium muffler upgrade with two distinct modes for an exciting driving experience and then cruising on a commute with a calm cabin presence with valves closed. At the press of a button, our Valved Side Mufflers open up Cup car-inspired sound through an aggressive, free-flowing design, which can be further amplified by aftermarket catalytic converter replacements. With valves closed our drone-fighting mufflers play a crucial role in minimizing unwanted cabin resonance–even paired with other aftermarket components! This results in an OEM+ sound with transformational potential.\nCONSTRUCTION:  Each system is made in-house by our fabrication team from mandrel bent .060″ wall T304L stainless steel tubing, bespoke SOUL mufflers, and laser cut brackets – with nearly 15 man hours invested in each set to make sure they are perfect.\nBOLT ON AND GO:  Each exhaust is built and tested in a thick gauge aluminum fixture (which prevents warping) to ensure perfect fitment. Every set is rigorously quality-checked prior to shipping and then foam packed to ensure they arrive in perfect condition.\nLIFETIME WARRANTY:  Enjoy your SOUL exhaust components for your Porsche with confidence on both the street and track as they are covered by our Life","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/files/SOUL-Performance-Products-996-Carrera-4S-Valved-Mufflers-1-1.webp?v=1773838455","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/SOUL-Performance-Products-996-Carrera-4S-Valved-Mufflers-2.webp?v=1773838455","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/SOUL-Performance-Products-996-Carrera-4S-Valved-Mufflers-3.webp?v=1773838454","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/SOUL-Performance-Products-996-Carrera-4S-Valved-Side-Mufflers.webp?v=1773838455","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/SOUL-Porsche-996-Turbo-X-50-Style-Tips-Black-Chrome-Product.webp?v=1773838454","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/SOUL-Porsche-996-Turbo-X-50-Style-Tips-Product-1.webp?v=1773838455"],"price":4555,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:21.247Z"},"share_url":"https://firestarter.network/l/lst_c_IlAXoa","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_c_IlAXoa' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Soul Performance Porsche 996 Carrera 4S SOUL Valved Side Mufflers' and a budget_max comfortably above $4555.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}