{"product_id":"porsche-primary-muffler-bypass-pipe-911-1989-1994-fs-por-964-pmb","title":"Porsche Primary Muffler Bypass Pipe - 911 | 1989-1994  FS-POR-964-PMB","description":"\u003cp\u003ePorsche Primary Muffler Bypass Pipe For Porsche 964 Carrera (1989-1994) Models.\u003cstrong\u003e\u003c\/strong\u003e\u003c!----\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv id=\"chat-history\" class=\"chat-history-scroll-container\"\u003e\n\u003cdiv class=\"conversation-container message-actions-hover-boundary tts-removed ng-star-inserted\" id=\"023af7cf01678fa9\"\u003e\n\u003cdiv class=\"response-container ng-tns-c266914573-190 response-container-with-gpi tts-removed ng-star-inserted response-container-has-multiple-responses\"\u003e\n\u003cdiv class=\"presented-response-container ng-tns-c266914573-190\"\u003e\n\u003cdiv class=\"response-container-content ng-tns-c266914573-190\"\u003e\n\u003cdiv class=\"response-content ng-tns-c266914573-190\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel stronger\" id=\"model-response-message-contentr_023af7cf01678fa9\" dir=\"ltr\"\u003e\n\u003cdiv id=\"chat-history\" class=\"chat-history-scroll-container\"\u003e\n\u003cdiv class=\"conversation-container message-actions-hover-boundary tts-removed ng-star-inserted\" id=\"e8bfc54be62eeb86\"\u003e\n\u003cdiv class=\"response-container ng-tns-c266914573-195 response-container-with-gpi tts-removed ng-star-inserted response-container-has-multiple-responses\"\u003e\n\u003cdiv class=\"presented-response-container ng-tns-c266914573-195\"\u003e\n\u003cdiv class=\"response-container-content ng-tns-c266914573-195\"\u003e\n\u003cdiv class=\"response-content ng-tns-c266914573-195\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel stronger\" id=\"model-response-message-contentr_e8bfc54be62eeb86\" dir=\"ltr\"\u003e\n\u003cp data-sourcepos=\"1:1-1:40\"\u003e\u003cstrong\u003eFabspeed Primary Muffler Bypass Pipe\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-sourcepos=\"3:1-3:500\"\u003eThis straight-through pipe directly replaces the heavy and restrictive factory Porsche OEM primary CENTER muffler with a Porsche Motorsports Carrera CUP-style design. This CUP primary muffler bypass pipe significantly enhances sports car sound, noticeably increases horsepower, and reduces weight from an ideal location at the rear of the vehicle. \u003cstrong\u003ePurpose:\u003c\/strong\u003e Delivers a more aggressive flat-six exhaust note and provides significant power and weight reduction for improved performance and handling.\u003c\/p\u003e\n\u003cp data-sourcepos=\"5:1-5:10\"\u003e\u003cstrong\u003eSound:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-sourcepos=\"7:1-7:395\"\u003eAll Porsche 964 coupes and cabriolets will exhibit a sportier and more aggressive flat-six sound compared to the stock muffler. When paired with the stock OEM Porsche 964 catalytic converter and the stock 964 secondary rear muffler, the car remains 100% daily drivable while offering a sporty flat-six sound. A recommended complementary upgrade is the Fabspeed 964 CUP aluminum airbox cover lid.\u003c\/p\u003e\n\u003cp data-sourcepos=\"9:1-9:10\"\u003e\u003cstrong\u003ePower:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-sourcepos=\"11:1-11:167\"\u003eDyno testing, verified by both Porsche and Fabspeed, has shown gains of +12.5 HP (10 horsepower to the wheels), providing a real-world, seat-of-your-pants improvement.\u003c\/p\u003e\n\u003cp data-sourcepos=\"13:1-13:13\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"15:1-20:135\"\u003e\n\u003cli data-sourcepos=\"15:1-15:90\"\u003eFits all Porsche 964 C2, C4, RS America, Euro RS, and Speedster vehicles from 1989-1994.\u003c\/li\u003e\n\u003cli data-sourcepos=\"16:1-16:89\"\u003eIncreases power by +12 HP (10 wheel horsepower) and greatly improves throttle response.\u003c\/li\u003e\n\u003cli data-sourcepos=\"17:1-17:87\"\u003eSaves 25 lbs from the rearmost part of the vehicle, significantly enhancing handling.\u003c\/li\u003e\n\u003cli data-sourcepos=\"18:1-18:91\"\u003e100% cat-back system compliant with all 50-state and international emissions regulations.\u003c\/li\u003e\n\u003cli data-sourcepos=\"19:1-19:119\"\u003eConstructed from high-quality 14-16ga CNC mandrel-bent T304L stainless steel for optimal flow and maximum durability.\u003c\/li\u003e\n\u003cli data-sourcepos=\"20:1-20:135\"\u003eSimple DIY bolt-on installation; reuses the 2 factory Porsche ball clamps and donuts. Fabspeed supplies all other necessary hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"response-container-footer ng-tns-c266914573-195\"\u003e\n\u003cdiv class=\"actions-container-v2 ng-tns-c3574158807-197 simplified-action-bar\"\u003e\n\u003cdiv class=\"buttons-container-v2 ng-tns-c3574158807-197 ng-star-inserted\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"input-area-container ng-star-inserted\"\u003e\n\u003cdiv data-node-type=\"input-area\" class=\"input-area ng-tns-c681467461-2 with-toolbox-drawer\"\u003e\n\u003cdiv class=\"text-input-field ng-tns-c681467461-2 with-toolbox-drawer height-expanded-past-single-line\"\u003e\n\u003cdiv class=\"text-input-field_textarea-wrapper ng-tns-c681467461-2\"\u003e\n\u003cdiv class=\"text-input-field-main-area ng-tns-c681467461-2\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-sourcepos=\"3:1-3:13\"\u003e\u003cstrong\u003eReturns subject to a 25% restocking fee.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Fabspeed","offers":[{"title":"Default Title","offer_id":40850932203578,"sku":"FS.POR.964.PMB","price":739.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/4846\/2650\/files\/Porsche-Primary-Muffler-Bypass-Pipe-911-1989-1994-0.jpg?v=1747906548","url":"https:\/\/sierramadrecollection.com\/products\/porsche-primary-muffler-bypass-pipe-911-1989-1994-fs-por-964-pmb","provider":"Sierra Madre Collection","version":"1.0","type":"link"}