{"product_id":"laptorr-exhaust-system-for-g80-m3-g82-m4","title":"LAPTORR Exhaust System for G80\/G81 M3 - G82\/G83 M4","description":"\u003cp\u003e\u003cspan dir=\"auto\"\u003eBMW G80-M3 SEDAN,\u003c\/span\u003e\u003cbr\u003e\u003cspan dir=\"auto\"\u003eBMW G81-M3 TOURING,\u003c\/span\u003e\u003cbr\u003e\u003cspan dir=\"auto\"\u003eBMW G82-M4 COUPE,\u003c\/span\u003e\u003cbr\u003e\u003cspan dir=\"auto\"\u003eBMW G83-M4 CONVERTIBLE.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePlease note, all exhaust systems are made to order, and are not necessarily in stock. Please get in touch to double check waiting times before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cspan dir=\"auto\"\u003eFeatures:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan dir=\"auto\"\u003e\u003cstrong\u003eFront Pipe Shortcut\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e: While the factory front pipes are located on both sides of the transmission, the LAPTORR exhaust\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\"consolidates the dual pipes to the right side of the transmission.\"\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eThis shortens the exhaust line, reducing exhaust resistance and forming the basis for an isometric layout.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan dir=\"auto\"\u003e\u003cstrong\u003eThe isometric\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elayout centers around the cross pipe, and from the turbo to the cross pipe and from the cross pipe to the finisher, each\u003cspan\u003e \u003c\/span\u003ehas\u003cspan\u003e \u003c\/span\u003ean isometric layout. The length of the 4-5-6 pipes from the turbo to the cross pipe is adjusted using a wave layout. This results in flat exhaust pulsation, improving exhaust efficiency, and producing a high-quality exhaust sound with high sound pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan dir=\"auto\"\u003e\u003cstrong\u003eThoroughly Low Friction : By\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003ethoroughly achieving low friction\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithout excessively large pipe diameters,\u003cspan\u003e \u003c\/span\u003ethe effect becomes even greater at higher engine speeds.\u003cspan\u003e \u003c\/span\u003eThe front pipes have been shortened, allowing for shorter pipe length.\u003cspan\u003e \u003c\/span\u003eThe rear silencer layout has been redesigned from the F-series model to reduce friction\u003c\/span\u003e\u003cspan dir=\"auto\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan dir=\"auto\"\u003e\u003cstrong\u003eDual flexible tubes (when downpipes are installed)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eare used. The factory LAPTORR exhaust system uses a single flexible tube, just like the factory model, but by adding one to each of the dual pipes, an additional one is installed on the downpipes, improving vibration resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan dir=\"auto\"\u003e\u003cstrong\u003eDifferential Heat Shielding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe exhaust pipes that pass under the differential\/driveshaft\u003cspan\u003e \u003c\/span\u003eare\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eheat-shielded\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e. The exhaust flaps operate according to DME control by\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eusing the factory actuators\u003c\/strong\u003e, so they are not recorded in the fault memory.　\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan dir=\"auto\"\u003e\u003cstrong\u003eThe exhaust\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esound volume is set to a comfortable level with the exhaust flaps open at high engine speeds and while riding at high speeds, allowing it to be enjoyed even while wearing a helmet.\u003cspan\u003e \u003c\/span\u003eThe exhaust pulse and frequency were controlled using an equal-length layout and rear silencer to achieve the highest possible sound quality and sound pressure.\u003cspan\u003e \u003c\/span\u003eThe exhaust flap volume is slightly louder than the factory flap when closed.\u003cspan\u003e \u003c\/span\u003eThe flap vibration noise when closed was reduced compared to previous models.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan dir=\"auto\"\u003eThe product consists of\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan dir=\"auto\"\u003ethree parts: front pipe + two middle pipes + rear silencer\u003c\/span\u003e\u003cbr\u003e\u003cspan dir=\"auto\"\u003e. Excluding the down pipe, the product is from the rear of the down pipe to the finisher.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan dir=\"auto\"\u003e◆ Front cross pipe\u003c\/span\u003e\u003cbr\u003e\u003cspan dir=\"auto\"\u003e　, 4-5-6 pipe: flexible\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan dir=\"auto\"\u003e◆ Middle pipe ,\u003c\/span\u003e\u003cbr\u003e\u003cspan dir=\"auto\"\u003e　set of two (left and right\u003c\/span\u003e\u003cbr\u003e\u003cspan dir=\"auto\"\u003e　), sub-silencer (one each)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan dir=\"auto\"\u003e◆ Rear silencer\u003c\/span\u003e\u003cbr\u003e\u003cspan dir=\"auto\"\u003e　, sports silencer structure (low friction)\u003c\/span\u003e\u003cbr\u003e\u003cspan dir=\"auto\"\u003e　, uses genuine actuator (2-way)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan dir=\"auto\"\u003eMaterials\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan dir=\"auto\"\u003e　: Main pipe: SUS436 stainless steel;\u003c\/span\u003e\u003cbr\u003e\u003cspan dir=\"auto\"\u003e　Silencer: SUS304 stainless steel\u003c\/span\u003e\u003cbr\u003e\u003cspan dir=\"auto\"\u003e　; Finisher: Titanium \/ Φ100mm x 4 pieces.\u003cspan\u003e \u003c\/span\u003e　Not compliant with\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eUK regulations or vehicle inspections (for competition use).\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cb\u003e　\u003cbr\u003e\u003cspan dir=\"auto\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/b\u003e\u003cspan dir=\"auto\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan dir=\"auto\"\u003e---------------------------------------------\u003c\/span\u003e\u003cbr\u003e　\u003cbr\u003e\u003cspan dir=\"auto\"\u003eDownpipe (sold separately)\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cspan dir=\"auto\"\u003e- Catalytic converter-less\/straight type\u003c\/span\u003e\u003cbr\u003e\u003cspan dir=\"auto\"\u003e- Not compliant with vehicle inspections (for competitions)\u003c\/span\u003e\u003cbr\u003e\u003ca title=\"Link to : LAPTORR DOWNPIPES for S58 Engine\" href=\"https:\/\/laptorr.com\/collections\/future-collection\/products\/%E3%83%80%E3%82%A6%E3%83%B3%E3%83%91%E3%82%A4%E3%83%97\" target=\"_blank\"\u003e\u003cspan dir=\"auto\"\u003eLink to: LAPTORR DOWNPIPES for S58 Engine\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"LAPTORR","offers":[{"title":"Titanium (Purple)","offer_id":56164097950076,"sku":"181-00855-VT","price":5820.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/9541\/0556\/files\/1500x1000_DSC06408_700x_fd2253ed-304f-48cd-9850-5877fbb4554d.jpg?v=1766751448","url":"https:\/\/chalkmotorsport.com\/products\/laptorr-exhaust-system-for-g80-m3-g82-m4","provider":"Chalk Motorsport","version":"1.0","type":"link"}