{"product_id":"dinan-d660-3940-freeflow-axle-back-exhaust","title":"Dinan D660-3940 - Freeflow Axle-Back Exhaust","description":"\u003cp\u003eDinan D660-3940 - Freeflow Axle-Back Exhaust\u003c\/p\u003e\u003cp\u003eDinan Free Flow Axle-Back Exhaust - 1997-2003 BMW 540i\u003c\/p\u003e\u003cp\u003eFreeflow Axle-Back Exhaust; 20-Gauge 304 Stainless Steel Muffler Cases; 7 Max Horsepower Gain At 6500 RPM; 6 lbs.-ft. Max Torque Gain; Dual 3 in. Polished Tips;\u003c\/p\u003e\u003cp\u003eDinan free flow axle-back exhaust provides power gains without the excessive noise associated with typical performance mufflers. The Dinan exhausts feature rigid and durable muffler cases manufactured from 20 gauge 304 stainless steel for optimum corrosion resistance. Internally, the systems feature Dinan tuned resonance chamber technology, providing the optimum balance between maximum power gains and a civilized, yet sporty exhaust note. The Dinan exhausts also provide substantial weight reduction compared to the stock mufflers. The mufflers weigh in at 18.5 lbs. compared to the stock systems at 34 lbs. Dual 3- in. diameter polished stainless steel exhaust tips give the cars a tasteful performance look as well. This is an axle-back exhaust. Dyno results for stage 2 engine software, cold air intake and free flow axle-back exhaust.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMore Power: + 7 HP @ 6500 RPM + 6 LB-FT @ 6500 RPM (w\/ software)\u003c\/li\u003e\n\u003cli\u003eDrone abatement technologies used to reduce cabin resonance\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003cli\u003eDual 3\" polished and laser engraved exhaust tips\u003c\/li\u003e\n\u003cli\u003eOver 15 lbs. lighter than stock (18.5 lbs. vs. 34 lbs.)\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e: \u003cspan\u003eT304 Stainless Steel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: \u003cspan\u003eDinan\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCategory\u003c\/strong\u003e: \u003cspan\u003eExhaust\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eClamps Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDinan Point Value\u003c\/strong\u003e: \u003cspan\u003e3\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEmission Code\u003c\/strong\u003e: \u003cspan\u003e5\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Tip Quantity\u003c\/strong\u003e: \u003cspan\u003e4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: \u003cspan\u003eBrushed\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrade Type\u003c\/strong\u003e: \u003cspan\u003ePerformance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHangers Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: \u003cspan\u003e11\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLabor Time (Hours)\u003c\/strong\u003e: \u003cspan\u003e1.5\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: \u003cspan\u003e48\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: \u003cspan\u003eT304 Stainless Steel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMax HP Gain\u003c\/strong\u003e: \u003cspan\u003e7 @ 6500 RPM\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMax Torque (lb-ft) Gain\u003c\/strong\u003e: \u003cspan\u003e6 @ 6500 RPM\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMuffler Quantity\u003c\/strong\u003e: \u003cspan\u003eN\/A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePipe Material\u003c\/strong\u003e: \u003cspan\u003eT304 Stainless Steel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: \u003cspan\u003eAxle-Back Exhaust\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSub Category\u003c\/strong\u003e: \u003cspan\u003eExhaust and Tail Pipes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWarning\u003c\/strong\u003e: \u003cspan\u003eCalifornia Proposition 65\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: \u003cspan\u003e37.5\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: \u003cspan\u003e30\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":47292281159818,"sku":"DIN-D660-3940","price":967.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_d660-3940_1_normalized.jpg?v=1776302003","url":"https:\/\/www.onlyinstock.com\/products\/dinan-d660-3940-freeflow-axle-back-exhaust","provider":"Only In Stock","version":"1.0","type":"link"}