{"product_id":"fabspeed-muffler-bypass-w-adjustable-turn-down-porsche-911-carrera-1976-1989","title":"Fabspeed Muffler Bypass w\/Adjustable Turn Down Porsche 911 Carrera (1976-1989)","description":"\u003cp data-start=\"136\" data-end=\"749\"\u003eThe Fabspeed Muffler Bypass Pipe is a \u003cstrong data-start=\"198\" data-end=\"228\"\u003etrue muffler delete system\u003c\/strong\u003e for \u003cem data-start=\"233\" data-end=\"288\"\u003eair-cooled Porsche 911 SC and 3.2 Carrera (1976–1989)\u003c\/em\u003e, replacing the heavy OEM “cigar-style” rear muffler with a straight-through design. This results in \u003cstrong data-start=\"389\" data-end=\"483\"\u003esignificant weight reduction, improved exhaust flow, and a raw, race-inspired exhaust note\u003c\/strong\u003e that transforms the driving experience. The included \u003cstrong data-start=\"537\" data-end=\"564\"\u003eadjustable turndown tip\u003c\/strong\u003e allows you to fine-tune sound direction and perceived volume, making it one of the most aggressive yet simple bolt-on upgrades for classic 911s.\u003c\/p\u003e\n\u003ch3 data-section-id=\"coukz0\" data-start=\"756\" data-end=\"779\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"760\" data-end=\"777\"\u003eFitment Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"780\" data-end=\"1158\"\u003e\n\u003cli data-section-id=\"qmyprb\" data-start=\"780\" data-end=\"876\"\u003eFits \u003cem data-start=\"787\" data-end=\"836\"\u003ePorsche 911 SC 3.0L and 3.2 Carrera (1976–1989)\u003c\/em\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1c9udn2\" data-start=\"877\" data-end=\"977\"\u003eReplaces \u003cstrong data-start=\"888\" data-end=\"912\"\u003efactory rear muffler\u003c\/strong\u003e (primary muffler delete) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1yc61qj\" data-start=\"978\" data-end=\"1054\"\u003eCompatible with stock or aftermarket catalytic converters \/ pre-mufflers\u003c\/li\u003e\n\u003cli data-section-id=\"u5wg6a\" data-start=\"1055\" data-end=\"1158\"\u003eConsidered a \u003cstrong data-start=\"1070\" data-end=\"1118\"\u003ecat-back modification (emissions unaffected)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1wuwsse\" data-start=\"1165\" data-end=\"1183\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1169\" data-end=\"1181\"\u003eIncluded\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1184\" data-end=\"1340\"\u003e\n\u003cli data-section-id=\"qtna03\" data-start=\"1184\" data-end=\"1237\"\u003eStraight-through \u003cstrong data-start=\"1203\" data-end=\"1235\"\u003emuffler bypass pipe assembly\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1djey2q\" data-start=\"1238\" data-end=\"1281\"\u003e\u003cstrong data-start=\"1240\" data-end=\"1279\"\u003eAdjustable 90° turndown exhaust tip\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"7zvs8q\" data-start=\"1282\" data-end=\"1340\"\u003eMounting flanges and hardware for bolt-on installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"sgjph7\" data-start=\"1347\" data-end=\"1370\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1351\" data-end=\"1368\"\u003eProduct Specs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1371\" data-end=\"1707\"\u003e\n\u003cli data-section-id=\"klgkdl\" data-start=\"1371\" data-end=\"1461\"\u003ePower Gains: ~\u003cstrong data-start=\"1387\" data-end=\"1421\"\u003e+10–12 hp \/ +8–10 lb-ft torque\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"u740uz\" data-start=\"1462\" data-end=\"1559\"\u003eWeight Savings: ~\u003cstrong data-start=\"1481\" data-end=\"1519\"\u003e18–20 lbs reduction vs OEM muffler\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hp9bpe\" data-start=\"1560\" data-end=\"1615\"\u003eConstruction: \u003cstrong data-start=\"1576\" data-end=\"1613\"\u003eMandrel-bent T304 stainless steel\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sg1j1k\" data-start=\"1616\" data-end=\"1670\"\u003eSystem Type: \u003cstrong data-start=\"1631\" data-end=\"1668\"\u003ePrimary muffler delete\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"kbb6vu\" data-start=\"1671\" data-end=\"1707\"\u003eInstallation: \u003cstrong data-start=\"1687\" data-end=\"1705\"\u003eDirect bolt-on\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"whoai2\" data-start=\"1714\" data-end=\"1740\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1718\" data-end=\"1738\"\u003eProduct Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1741\" data-end=\"2314\"\u003e\n\u003cli data-section-id=\"o1rct4\" data-start=\"1741\" data-end=\"1848\"\u003e\n\u003cstrong data-start=\"1743\" data-end=\"1770\"\u003eMaximum sound increase:\u003c\/strong\u003e Delivers a raw, loud, air-cooled flat-six tone with race-inspired character\u003c\/li\u003e\n\u003cli data-section-id=\"ivmn7l\" data-start=\"1849\" data-end=\"1946\"\u003e\n\u003cstrong data-start=\"1851\" data-end=\"1884\"\u003eSignificant weight reduction:\u003c\/strong\u003e Removes one of the heaviest rear components on classic 911s\u003c\/li\u003e\n\u003cli data-section-id=\"1nm3mv2\" data-start=\"1947\" data-end=\"2040\"\u003e\n\u003cstrong data-start=\"1949\" data-end=\"1980\"\u003eImproved throttle response:\u003c\/strong\u003e Reduced backpressure allows the engine to rev more freely\u003c\/li\u003e\n\u003cli data-section-id=\"vdjode\" data-start=\"2041\" data-end=\"2143\"\u003e\n\u003cstrong data-start=\"2043\" data-end=\"2074\"\u003eAdjustable sound direction:\u003c\/strong\u003e Turndown tip lets you aim exhaust flow to manage volume perception\u003c\/li\u003e\n\u003cli data-section-id=\"pq2kdq\" data-start=\"2144\" data-end=\"2216\"\u003e\n\u003cstrong data-start=\"2146\" data-end=\"2165\"\u003eSimple install:\u003c\/strong\u003e Direct replacement using factory mounting points\u003c\/li\u003e\n\u003cli data-section-id=\"7zbis9\" data-start=\"2217\" data-end=\"2314\"\u003e\n\u003cstrong data-start=\"2219\" data-end=\"2243\"\u003eTrack-proven design:\u003c\/strong\u003e Popular choice for vintage track builds and aggressive street setups\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fabspeed Motorsport","offers":[{"title":"Default Title","offer_id":51763105169728,"sku":"FS.POR.911.MB","price":359.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/7587\/4624\/files\/fabspeed-motorsport-fabspeed-porsche-911-carrera-muffler-bypass-pipe-with-adjustable-turndown-1976-1989__40791.jpg?v=1776000499","url":"https:\/\/www.forzamotorworks.com\/products\/fabspeed-muffler-bypass-w-adjustable-turn-down-porsche-911-carrera-1976-1989","provider":"Forza Motor Works","version":"1.0","type":"link"}