{"product_id":"31021-at009","title":"HKS Toyota GR Corolla LEGAMAX Sports Exhaust (Use w\/ PN G89580-T76010-00)","description":"\u003cdiv class=\"raw-html-embed\"\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003cbr\u003eValve-less, Dual Tail Tip Layout: This exhaust system features a valve-less design and dual tail tip layout. The large-diameter titanium slash tailpipe creates a commanding rear view, leaving a strong impression compared to the stock exhaust.\u003cbr\u003e\u003cbr\u003eSturdy and Aesthetic Bracket Placement: Brackets connecting the left and right silencers are positioned at the center notch and feature the HKS logo, ensuring both visual appeal and structural integrity.\u003cbr\u003e\u003cbr\u003eIncludes \"EXHAUST ERROR CANCELLER\": HKS provide an \"EXHAUST ERROR CANCELLER\" to\u003cbr\u003eprevent error codes when the valve is not in use, allowing for a worry-free experience.\u003cbr\u003e\u003cbr\u003eSmooth and Enjoyable Driving: Experience a comfortable and noise-free ride at low revs. The overall sound quality is robust, delivering a deep bass sound that intensifies as the revs increase, providing a powerful auditory experience\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable class=\"ck-table-resized\"\u003e\n\u003ccolgroup\u003e\n\u003ccol\u003e\n\u003ccol\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCertification No.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eJQR30232128\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMain Material\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eSUS304\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOuter Tail Diameter\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eφ119\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMain Pipe Diameter\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eφ74.7→φ60.5×2\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eClose Noise Level (Factory)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e88\/88dB (Idle：70\/70dB）\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eClose Noise Level (HKS)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e91\/90dB (Idle：71\/70dB)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"2\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eExhaust Pipe Minimum Ground Clearance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e135mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eExhaust mid pipe\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"raw-html-embed\"\u003e\n\u003cp\u003e\u003cstrong\u003eProduct features\u003c\/strong\u003e\u003cbr\u003eThe tail features a powerful φ119 titanium tail with two left and right-hand tailpipes, creating a seamless and bulb-less layout.\u003cbr\u003e\u003cbr\u003eA bracket is expertly positioned at the factory center tail section, with the HKS logo laser engraved for added aesthetics. The HKS logo is visible from the bumper notch in the rear view, showcasing the installation of the HKS exhaust.\u003cbr\u003e\u003cbr\u003eWhile the stock exhaust valve opens to reduce exhaust resistance at high RPM, this product is valve-less and incorporates a straight structure inside the silencer, resulting in a 40% reduction in exhaust resistance compared to the stock valve when open.\u003cbr\u003e\u003cbr\u003eWe've achieved precise control of sound volume through meticulous sound engineering. Even without valve-less valves, there is no muffled sound in the mid-range RPM range, providing a comfortable driving experience. Enjoy a sporty sound throughout the entire RPM range, from low to high revs.\u003cbr\u003e\u003cbr\u003eTo avoid any issues related to valve-less operation, we provide the \"EXHAUST ERROR CANCELER\" with your purchase. This ensures a stress-free and worry-free driving experience.\u003cbr\u003e\u003cimg src=\"https:\/\/cheerful-bouquet-91c8f27a22.media.strapiapp.com\/31021_AT_009_6_5719dad88e.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdvantages of installing HKS LEGAMAX Sports\u003c\/strong\u003e\u003cbr\u003eThe two-piston layout has been meticulously designed to maintain low exhaust pressure across all engine speeds.\u003cbr\u003eIn the low and mid-range of the engine, where the valves close in the stock setup, you can revel in a robust sports sound without any unwanted muffled noise!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComparison with a stock\u003c\/strong\u003e\u003cbr\u003eThe tail is three-pronged, with an exhaust switch\u003cbr\u003evalve in front of the center tail.\u003cbr\u003e\u003cbr\u003e\u003cem\u003eMain purpose of stock valve\u003c\/em\u003e\u003cbr\u003eStationary - low speed\u003cbr\u003e⇒Valve is open\u003cbr\u003eLow to medium rpm range\u003cbr\u003e⇒Closing the valves to improve the quietness of the vehicle interior\u003cbr\u003eHigh rpm range\u003cbr\u003e⇒Open valves for low exhaust pressure and sports sound\u003cbr\u003e\u003cimg src=\"https:\/\/cheerful-bouquet-91c8f27a22.media.strapiapp.com\/31021_AT_009_5_d97e3f9692.png\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cheerful-bouquet-91c8f27a22.media.strapiapp.com\/31021_AT_009_9_8d762f084e.png\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFlow rate\u003c\/strong\u003e\u003cbr\u003eStock - Valve Closed: This setting secures the valve on the stock muffler in the closed position.\u003cbr\u003eStock - Valve Open: This setting fixes the valve in the open position on the stock muffler.\u003cbr\u003eHKS: LEGAMAX Sports 31021-AT009 (this product）\u003c\/p\u003e\n\u003cp\u003eThe graph above illustrates the relationship between flow rate and pressure, as measured on a flow bench. Lower pressure relative to flow rate indicates reduced resistance. At a flow rate of 200 L\/s, the respective pressures are as follows:\u003cbr\u003eStock - Valve Closed: 9.3 kPa\u003cbr\u003eStock - Valve Open: 5.1 kPa\u003cbr\u003e\u003cbr\u003eThese results demonstrate that compared to the closed valve and this product, pressure is reduced by 68%, even when the valve is open, a 41% reduction in pressure is achieved. This reduction is attributed to the pipe diameter, layout, and internal structure of the silencer, which collectively contribute to significantly lowering exhaust pressure\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEXHAUST ERROR CANCELER\u003c\/p\u003e\n\u003cp\u003eRegarding the genuine muffler's exhaust switch valve, the manufacturer's website defines its\u003cbr\u003epurpose as follows:\u003cbr\u003eAchieving low exhaust pressure at high engine speeds.\u003cbr\u003eDelivering a sporty sound when the valve is open.\u003cbr\u003eEnsuring comfortable cruising at low and medium engine speeds.\u003c\/p\u003e\n\u003cp\u003eThese functions are carried out through the motor-controlled operation of the valves.\u003cbr\u003eIf the valve is not used when installing this product, the following situations may occur:\u003cbr\u003e1. If the coupler is left disconnected: An error code will occur.\u003cbr\u003e2. If the entire motor for the valve is disconnected from the genuine muffler during idling condition: An error code will occur.\u003c\/p\u003e\n\u003cp\u003eIn both cases, the check engine lamp may not illuminate, but a record of disconnection or motor abnormality will be stored. To identify and diagnose these errors, it is necessary to use an OBD2 diagnostics machine.\u003c\/p\u003e\n\u003cp\u003eAs OBD vehicle inspections are set to commence, there is still a concern about the possibility of error codes being triggered.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTherefore...\u003cbr\u003eAn \"EXHAUST ERROR CANCELLER\" is included!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe \"EXHAUST ERROR CANCELER\" is an electrical component designed to prevent errors related to the exhaust system. When connected, it ensures that no error codes are recorded, and no warning check engine lamps are illuminated. This part is designed based on the manufacturer's error countermeasure information, and its installation will not cause any issues with the vehicle.\u003c\/p\u003e\n\u003cp\u003eBy implementing measures to address error codes, which are a concern when the valve is not used, this product provides a stress-free and safe solution for your vehicle's exhaust system. It effectively prevents errors and maintains the smooth operation of your vehicle.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cheerful-bouquet-91c8f27a22.media.strapiapp.com\/31021_AT_009_10_8eb95ad605.png\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eThe provided graphs and figures are based on in-house measurements and are subject to variation depending on the specific vehicle and measuring equipment used. Actual results may differ based on individual vehicle characteristics and the type of measuring equipment utilized\u003c\/p\u003e\n\u003cp\u003eThe installation of the muffler has proven effective in enhancing power and torque in the mid-range RPMs.\u003c\/p\u003e\n\u003cp\u003eThe output has increased by up to 4.0%, while torque has seen an improvement of up to 5.2%. This reflects the positive impact of the muffler on the vehicle's performance within that RPM range\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e \u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eHKS vs stock\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eMaximum output\u003c\/p\u003e\n\u003cp\u003e(kW\/rpm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eMax. torque\u003c\/p\u003e\n\u003cp\u003e(Nm\/rpm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eHKS 31021-AT009\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e221.6\/6600\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e431.0\/4250\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eStock\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e221.2\/6600\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e414.8\/4300\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e\u003cbr\u003e\u003cu\u003eMaximum power and torque difference\u003c\/u\u003e\u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eOutput\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e7.7kW    (10.5PS)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\/4650rpm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e⇒ \u003cspan\u003e\u003cstrong\u003eUp by approx. 4.0%\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eTorque\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e18.9Nm(1.9kgf・m)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\/3200rpm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e⇒ \u003cspan\u003e\u003cstrong\u003eUp by approx. 5.2%\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"raw-html-embed\"\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/4Zku7xekRuw\" width=\"560\" height=\"314\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":42798520467569,"sku":"31021-AT009","price":2996.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1088\/6742\/files\/31021_AT_009_2_35d7557435.jpg?v=1764778933","url":"https:\/\/www.parkautomotorsports.ca\/products\/31021-at009","provider":"Park Auto Motorsports","version":"1.0","type":"link"}