{"id":870,"date":"2025-05-26T13:21:25","date_gmt":"2025-05-26T05:21:25","guid":{"rendered":"http:\/\/www.yuspeed.com.cn\/?post_type=product&p=870"},"modified":"2025-05-26T13:21:26","modified_gmt":"2025-05-26T05:21:26","slug":"porsche-991-turbo-exclusive-exhaust-%e6%8e%92%e6%b0%94","status":"publish","type":"product","link":"http:\/\/www.yuspeed.com.cn\/index.php\/product\/porsche-991-turbo-exclusive-exhaust-%e6%8e%92%e6%b0%94\/","title":{"rendered":"PORSCHE 991 TURBO EXCLUSIVE Exhaust \u6392\u6c14"},"content":{"rendered":"
\n

PORSCHE 991 TURBO EXCLUSIVE Exhaust<\/h1>\n<\/div>\n

The most powerful and unique 911 to date, The 607hp 991 turbo exclusive, was simply screaming out for an F1 grade Inconel exhaust makeover!<\/p>\n

The Sound<\/h4>\n

Capitalising on the design innovations and success of our 996 and 997 range, the starting point for designing the 991turbo exhaust had been set high. Our trademark perfect x pipe geometry, harmonically tuned silencer geomtery, Inconel 625, and our proprietry acoustic silencer packing materials result in a system that has become famous for that perfect sound. Zero drone, and a raised pitch raucious incindiary howl in higher rpms and hard throttle. The design is so perfect, that you can even run catless versions silently at cruising speeds, only unleashing that howl when you drive the car hard.<\/p>\n

During development there were some clear evolutionary design steps that we could incorporate. The secondary tail pipe allowed us to integrate an effective gas overflow system. The concept was conceived at the fluid dynamic modelling stage, and effectively works to cut low rpm noise, while allowing an effective increased cross section at higher rpms producing a more accentuated Jekyll and hyde personality, and slightly broader torque curves.<\/p>\n

Performance<\/h4>\n

Available with decat pipes for optimum performance and sound, or with 100 or 200 cell HJS HDPE catalysts. The largest gain with decats is 38hp and 55nm. 100 cell and 200 cell catalysts produce 20hp, and 16hp respectively.<\/p>\n","protected":false},"excerpt":{"rendered":"

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THE SPECIFICS<\/h4>\n

Cross Sections<\/h5>\n

De-cat cross section 70mm OD specifically chosen for a balance of peak torque and power.
\nSilencer section, cross section 65mm OD and 44mm OD overflow
\nCatalysts come in a variety, from 108mm OD to 127mm OD<\/p>\n

Materials<\/h5>\n

Turbo back system<\/strong>
\nAvailable in standard 304 grade stainless steel, weight 14kg 200cell cats, 12.5 with de-cat
\nInconel 625 formula one grade material, weight 7.5kg
\nTitanium G2 silencer section is also available, weight comparable to Inconel<\/p>\n

Manifolds<\/h5>\n

Standard 304 grade stainless, weight 6kg total
\nInconel 625, weight, 2.9kg total
\nTitanium unable to endure extreme heat<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"featured_media":871,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[53],"product_cat":[55],"product_tag":[127,121,123,119],"class_list":["post-870","product","type-product","status-publish","has-post-thumbnail","product_brand-kline","product_cat-kline","product_tag-exhaust-zh","product_tag-kline-zh","product_tag-123","product_tag-119","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"\nPORSCHE 991 TURBO EXCLUSIVE Exhaust \u6392\u6c14 - \u9a6d\u901f\u79d1\u6280<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.yuspeed.com.cn\/index.php\/product\/porsche-991-turbo-exclusive-exhaust-\u6392\u6c14\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PORSCHE 991 TURBO EXCLUSIVE Exhaust \u6392\u6c14 - \u9a6d\u901f\u79d1\u6280\" \/>\n<meta property=\"og:description\" content=\"THE SPECIFICS Cross Sections De-cat cross section 70mm OD specifically chosen for a balance of peak torque and power. Silencer section, cross section 65mm OD and 44mm OD overflow Catalysts come in a variety, from 108mm OD to 127mm OD Materials Turbo back system Available in standard 304 grade stainless steel, weight 14kg 200cell cats, 12.5 with de-cat Inconel 625 formula one grade material, weight 7.5kg Titanium G2 silencer section is also available, weight comparable to Inconel Manifolds Standard 304 grade stainless, weight 6kg total Inconel 625, weight, 2.9kg total Titanium unable to endure extreme heat\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.yuspeed.com.cn\/index.php\/product\/porsche-991-turbo-exclusive-exhaust-\u6392\u6c14\/\" \/>\n<meta property=\"og:site_name\" content=\"\u9a6d\u901f\u79d1\u6280\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-26T05:21:26+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.yuspeed.com.cn\/wp-content\/uploads\/2025\/05\/Porsche-991TT-Exclusive-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"853\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"http:\/\/www.yuspeed.com.cn\/index.php\/product\/porsche-991-turbo-exclusive-exhaust-%e6%8e%92%e6%b0%94\/\",\"url\":\"http:\/\/www.yuspeed.com.cn\/index.php\/product\/porsche-991-turbo-exclusive-exhaust-%e6%8e%92%e6%b0%94\/\",\"name\":\"PORSCHE 991 TURBO EXCLUSIVE Exhaust \u6392\u6c14 - 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