{"product_id":"lexus-is-series-is500-v8-2021-exhaust-system","title":"GT Haus Lexus IS series IS500 (V8) [2021+]","description":"\u003cdiv class=\"pmd-gthaus\"\u003e\n\u003ch3\u003eProduct overview\u003c\/h3\u003e\n\u003cp\u003eThe GT Haus MUSA exhaust for the 2021+ Lexus IS series IS500 (V8) is a rear exhaust section, offered here in the materials, performance levels and tip styles GT Haus builds for this exact application. PMD supplies it as a genuine GT Haus part.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYears:\u003c\/strong\u003e 2021+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Lexus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ chassis:\u003c\/strong\u003e IS series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubmodel \/ engine:\u003c\/strong\u003e IS500 (V8)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSystem type\u003c\/h3\u003e\n\u003cp\u003eRear section: rear muffler(s) and SR pipe(s). It connects to the factory (or optional GT Haus) pipework ahead of it.\u003c\/p\u003e\n\u003ch3\u003eValved or non-valved operation\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGTS Non-Valved System\u003c\/strong\u003e — GTS Ultimate Performance has no valves, so the exhaust note is the same at all times. No controller is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGTC-VC Valved Control\u003c\/strong\u003e — GTC-VC uses vacuum-actuated valves (GT Haus E.C.V.C. variable-chamber design) so you can switch between a near-OEM volume with valves closed and a GT2-like note with valves open.\u003c\/p\u003e\n\u003cp\u003eGT Haus lists the GTC Wireless Remote Kit (two wireless remotes, receiver module and installation hardware) as included with GTC systems. It is not included with OEC configurations.\u003c\/p\u003e\n\u003ch3\u003eAvailable options\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStainless steel (SUS): T304\/T316 polished stainless steel.\u003c\/li\u003e\n\u003cli\u003eTitanium (Ti): titanium alloy. GT Haus lists all titanium products as special order.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance levels offered for this vehicle:\u003c\/strong\u003e GTS Non-Valved System, GTC-VC Valved Control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTip configurations:\u003c\/strong\u003e 4x120x80mm (Oval Split); 4x102mm (Round Split).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTip finishes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePolished stainless steel tips (standard)\u003c\/li\u003e\n\u003cli\u003eMatte black powder-coated tips\u003c\/li\u003e\n\u003cli\u003eGloss black powder-coated tips\u003c\/li\u003e\n\u003cli\u003eTitanium tip upgrade on a stainless system\u003c\/li\u003e\n\u003cli\u003eTitanium tips (standard on titanium systems)\u003c\/li\u003e\n\u003cli\u003eRolled Carbon carbon-fiber tips\u003c\/li\u003e\n\u003cli\u003eSignature Carbon carbon-fiber tips\u003c\/li\u003e\n\u003cli\u003ePhantom Carbon carbon-fiber tips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNot every combination is offered — the selectors show only the material, performance level and tip combinations GT Haus builds for this vehicle.\u003c\/p\u003e\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRear Muffler(s) and SR Pipe(s) (SUS)\u003c\/li\u003e\n\u003cli\u003eGTC Wireless Remote Kit (GTC-VC \/ GTC-EC versions only; not OEC).\u003c\/li\u003e\n\u003cli\u003eTips as selected (size and finish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot included \/ sold separately:\u003c\/strong\u003e mid pipes, downpipes and other sections listed under Recommended components below.\u003c\/p\u003e\n\u003ch3\u003eRecommended and required components\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eRecommended upgrade — Mid Pipe:\u003c\/strong\u003e \u003ca href=\"\/fr\/products\/lexus-is-series-is500-v8-2021-cat-back-lsr-pipe-front-mid-section\"\u003eLexus IS series IS500 (V8) 2021+ Cat-Back LSR pipe (Front + Mid Section)\u003c\/a\u003e\n\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eRecommended upgrades are the parts GT Haus pairs with this item on its own product page. They are optional unless marked required.\u003c\/p\u003e\n\u003ch3\u003eInstallation notes\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eGT Haus does not publish connection, cutting or modification details on this listing. Professional installation is recommended; contact PMD with your VIN to confirm fitment before ordering.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eSpecifications from the GT Haus 2026 price guide and gthaus.com. Contact PMD if you need help confirming fitment.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"GT Haus","offers":[{"title":"SUS \/ GTS Non-Valved System \/ 4x120x80mm (Oval Split)\/SUS Default","offer_id":53153275183401,"sku":"LE0721517-SD","price":2998.0,"currency_code":"USD","in_stock":true},{"title":"SUS \/ GTS Non-Valved System \/ 4x120x80mm (Oval Split)\/Matte Black","offer_id":53153275216169,"sku":"LE0721517-MB","price":3598.0,"currency_code":"USD","in_stock":true},{"title":"SUS \/ GTS Non-Valved System \/ 4x120x80mm (Oval Split)\/Glossy Black","offer_id":53153275248937,"sku":"LE0721517-GB","price":3598.0,"currency_code":"USD","in_stock":true},{"title":"SUS \/ GTS Non-Valved System \/ 4x120x80mm (Oval Split)\/Titanium Upgrade","offer_id":53153275281705,"sku":"LE0721517-TD","price":3998.0,"currency_code":"USD","in_stock":true},{"title":"SUS \/ GTC-VC Valved Control \/ 4x120x80mm (Oval Split)\/SUS 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