{"type":"firestarter.listing","listing":{"id":"lst_KW3PLmiL","product_name":"Soul Performance Porsche 997.1 Carrera Valved Exhaust (PSE)","category":"Exhaust","description":"The unique valved exhaust design of this 997.1 muffler offers a sporty OEM+ sound with valves closed and a race–inspired sound with valves open. The default valve orientation upon startup is valves closed for a more refined warm-up experience, and an invigorating tone reminiscent of air-cooled CUP cars is just a button press away!\n+  Fits Porsche 997.1 Carreras (2005-2008) – base vehicles and cars equipped with a valved exhaust from factory MUST use SOUL tips for proper fitment+  Valves closed during startup for a more refined experience+  Valves controlled with included remotes or with factory HomeLink buttons+  Weighs 2 lbs / .9 kg less than factory exhaust components (36.6 lbs vs 38.6 lbs)+  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:  We wanted to design a valved exhaust that would offer the ability to go from “Cruising Sunday to Track Day” at the press of a button with the default setting to be valves closed for a more refined startup experience. Following the extreme effectiveness of the mufflers used in our 987 / 981 exhausts to combat drone, we’ve applied the same design principles to a bespoke muffler for the 997 Carrera.\nSOUND:  The design of our exhaust channels exhaust gases through our bespoke mufflers for a sophisticated and sporty sound that is unmistakably Porsche with valves closed, and this is the default operation setting. With valves open, you’re getting a CUP–inspired straight pipe sound. With valves closed during cruising, there is no drone — even with aftermarket catalytic converters! Due to the aggressive, free–flowing nature of the valves–open mode, the volume is loud when paired with aftermarket catalytic converters or catless replacement pipes.\nCONSTRUCTION:  Each system is made in-house by our fabrication team from mandrel bent .060″ wall T304L stainless steel tubing, bespoke SOUL mufflers, and","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/files/SOUL-997.1-Carrera-Valved-Exhaust-Product-Carbon-Fiber-Tips-VC.webp?v=1773938231","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/SOUL-Performance-Products-Porsche-997.1-Valved-Muffler-3_6c630a9d-a85d-4643-aa0f-e2b198e0909f.webp?v=1773938231","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/SOUL-Performance-Products-Porsche-997.1-Valved-Exhaust-2_a7bec549-27d6-41fc-b9c8-0cbabf695f7d.webp?v=1773938231","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/997-Carrera-Exhaust_07bc9fdb-c29a-41c1-99c4-ebcd6046bbd6.webp?v=1773938231","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/997-Carrera-Exhaust-Fixture_1df72aba-8551-46b4-a2b2-488777fd0879.webp?v=1773938231","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/SOUL-997.1-Carrera-Bolt-On-Tips-Carbon-Fiber-Installed_852b19da-a02e-4fce-8f7d-950dada91428.webp?v=1773938231","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/SOUL-997.1-Carrera-Bolt-On-Tips-Carbon-Fiber-Installed-2.webp?v=1773938231","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/SOUL-997.1-Carrera-Bolt-On-Tips-L.webp?v=1773938231","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/SOUL-997.1-Carrera-Valved-Exhaust-Installed-Muffler-Detail_cffb22d8-0e57-4047-9edc-53062ab9eded.webp?v=1773938231","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/SOUL-997.1-Carrera-Valved-Exhaust-Installed-Muffler-Detail-2_049aadc0-a9f3-4fe8-9740-f25f638eac7e.webp?v=1773938231","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/SOUL-997.2-Carrera-Bolt-On-Tips-Carbon-Fiber-Product-Side_74bd4cc1-c7a2-4cf8-84b5-6d9cfa5e992b.webp?v=1773938231"],"price":4555,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:21.217Z"},"share_url":"https://firestarter.network/l/lst_KW3PLmiL","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_KW3PLmiL' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Soul Performance Porsche 997.1 Carrera Valved Exhaust (PSE)' 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."]}}