{"product_id":"performance-titanium-vacuum-valved-catback-exhaust-porsche-911-991-2-turbo-s-3-8l","title":"Performance Titanium Alloy Vacuum-Valved Cat-Back Exhaust System - Porsche 911 991.2 Turbo S 3.8L 2017-2019","description":"\u003cp\u003eUpgrade the sound, appearance, and exhaust flow of your \u003cstrong\u003ePorsche 911 991.2 Turbo S 3.8L\u003c\/strong\u003e with this \u003cstrong\u003ePerformance Titanium Alloy Vacuum-Valved Cat-Back Exhaust System\u003c\/strong\u003e. Designed specifically for the twin-turbocharged 991.2 Turbo S platform, this system combines lightweight titanium construction, vacuum-controlled exhaust valves, a performance-oriented muffler layout, and quad burnt titanium tips for a distinctive motorsport-inspired upgrade.\u003c\/p\u003e\n\u003cp\u003eThe vacuum-valved configuration allows the exhaust character to change depending on valve position, providing greater control over sound compared with a permanently open performance exhaust. Titanium alloy construction helps reduce exhaust-system weight while offering excellent resistance to heat and corrosion, making this system suitable for performance-focused street and enthusiast applications.\u003c\/p\u003e\n\u003ch3\u003eKey Specs\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eTitanium Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eCat-Back Performance Exhaust System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eValve Type\u003c\/th\u003e\n\u003ctd\u003eVacuum-Actuated Exhaust Valves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eExhaust Tips\u003c\/th\u003e\n\u003ctd\u003eQuad Burnt Titanium Tips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003ctd\u003ePerformance Valved Cat-Back System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003ctd\u003e3.8L Twin-Turbo Flat-Six\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBurnt \/ Heat-Colored Titanium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment\u003c\/th\u003e\n\u003ctd\u003ePorsche 911 991.2 Turbo S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel Years\u003c\/th\u003e\n\u003ctd\u003e2017-2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInstallation\u003c\/th\u003e\n\u003ctd\u003eReplacement Exhaust System Using Vehicle-Specific Mounting Locations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Titanium Alloy Construction:\u003c\/strong\u003e Manufactured from lightweight titanium alloy for excellent strength, heat resistance, corrosion resistance and reduced exhaust-system mass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVacuum-Valved Exhaust Control:\u003c\/strong\u003e Integrated vacuum-operated exhaust valves allow the exhaust path and sound character to change depending on valve position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Cat-Back Layout:\u003c\/strong\u003e Designed to replace the exhaust section downstream of the catalytic-converter area while maintaining a performance-focused flow path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuad Burnt Titanium Tips:\u003c\/strong\u003e Four large titanium exhaust outlets feature a distinctive blue, gold and heat-treated appearance for an aggressive motorsport-inspired rear profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Flow Pipe Design:\u003c\/strong\u003e Smooth mandrel-style tubing and performance-oriented routing are designed to reduce unnecessary exhaust restriction compared with a conventional restrictive layout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Performance Upgrade:\u003c\/strong\u003e Titanium construction provides substantial weight-saving potential compared with conventional stainless-steel exhaust materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Exhaust Character:\u003c\/strong\u003e Designed to produce a more pronounced and engaging exhaust note from the 3.8L twin-turbo flat-six while retaining valve-controlled sound management.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat \u0026amp; Corrosion Resistance:\u003c\/strong\u003e Titanium is well suited to high exhaust temperatures and provides excellent resistance to environmental corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle-Specific Fitment:\u003c\/strong\u003e Engineered around the exhaust layout and rear packaging of the Porsche 911 991.2 Turbo S.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotorsport-Inspired Appearance:\u003c\/strong\u003e Visible titanium tubing, precision welds and heat-colored tips provide a premium performance aesthetic.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIncludes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Titanium Alloy Performance Exhaust Assembly\u003c\/li\u003e\n\u003cli\u003e1 × Titanium Performance Muffler \/ Silencer Section\u003c\/li\u003e\n\u003cli\u003eIntegrated Vacuum Exhaust Valves\u003c\/li\u003e\n\u003cli\u003e4 × Burnt Titanium Exhaust Tips\u003c\/li\u003e\n\u003cli\u003eConnecting Titanium Exhaust Tubes\u003c\/li\u003e\n\u003cli\u003eClamps and Installation Hardware, as supplied\u003c\/li\u003e\n\u003cli\u003eVacuum Control Components, as supplied\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePorsche 911 991.2 Turbo S Coupe - 2017-2019\u003c\/li\u003e\n\u003cli\u003ePorsche 911 991.2 Turbo S Cabriolet - 2017-2019\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e This listing is specifically for the \u003cstrong\u003ePorsche 911 991.2 Turbo S equipped with the 3.8L twin-turbo flat-six engine\u003c\/strong\u003e. Exhaust compatibility can vary depending on factory exhaust configuration, bumper setup and regional specification. Verify the vehicle configuration before installation.\u003c\/p\u003e\n\u003ch3\u003eValve Operation\u003c\/h3\u003e\n\u003cp\u003eThe system uses vacuum-operated exhaust valves to alter the exhaust flow path. Depending on the installed control configuration, the valves can provide a quieter exhaust path for normal driving and a more direct, aggressive exhaust path when opened. Exact valve-control operation depends on the supplied controller and vehicle installation.\u003c\/p\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eProfessional installation by an experienced Porsche or performance exhaust technician is strongly recommended. The original exhaust must be removed and the titanium system carefully aligned before final tightening. Exhaust-tip positioning, valve operation, vacuum routing, clearances and all connections should be checked after installation and again following the initial heat cycles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Allow the exhaust to cool completely before servicing or adjusting any component. Exhaust components can reach extremely high temperatures during operation.\u003c\/p\u003e\n\u003ch3\u003eEmissions \u0026amp; Road-Use Notice\u003c\/h3\u003e\n\u003cp\u003eThis is a performance exhaust component. Exhaust noise and emissions regulations vary by jurisdiction. The purchaser is responsible for confirming that the system and its intended configuration comply with applicable local road-use, noise and emissions requirements.\u003c\/p\u003e\n\u003ch3\u003eProduction \u0026amp; Shipping\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Time:\u003c\/strong\u003e 2 weeks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelivery:\u003c\/strong\u003e 1 week\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReturns:\u003c\/strong\u003e Allowed within 10 days after delivery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacements:\u003c\/strong\u003e Only for items damaged on arrival\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eRegular Cleaning:\u003c\/strong\u003e Allow the exhaust system and tips to cool completely before cleaning. Use a soft microfiber cloth with mild automotive soap and water to remove dirt, road residue and exhaust deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaintain the Titanium Finish:\u003c\/strong\u003e Avoid aggressive metal polishes, abrasive pads or harsh chemicals on the burnt titanium surfaces, as these may alter or remove the heat-treated coloration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInspect Periodically:\u003c\/strong\u003e Periodically inspect clamps, mounting points, vacuum lines and valve mechanisms to ensure the system remains secure and operates correctly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNatural Titanium Color Change:\u003c\/strong\u003e Titanium may develop additional heat coloration with repeated temperature cycles. This is a normal characteristic of titanium exhaust components and is not necessarily a defect.\u003c\/p\u003e","brand":"The Carbon Lab","offers":[{"title":"Default Title","offer_id":48010751049889,"sku":null,"price":4299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/6973\/0721\/files\/S6ab3eb787aa041a98ccbd6e3a66e2aebD.jpg?v=1791192921","url":"https:\/\/thecarbonlab.net\/products\/performance-titanium-vacuum-valved-catback-exhaust-porsche-911-991-2-turbo-s-3-8l","provider":"The Carbon Lab","version":"1.0","type":"link"}