{"product_id":"xdp-pacbrake-c44045-directmount-prxb-exhaust-brake","title":"Pacbrake C44045 DirectMount PRXB Exhaust Brake","description":"\u003ch2 class=\"cmp-product-section__header cmp-product-section__header-trigger\"\u003e\nDescription\n\u003c\/h2\u003e\n\u003cdiv class=\"cmp-product-section__inner\"\u003e\n\u003cdiv class=\"cmp-product-description__content\"\u003e\n\u003cdiv class=\"cmp-product-force-font\"\u003e\n\u003cspan style=\"\"\u003e\u003cspan style=\"\"\u003e\u003cspan style=\"\"\u003ePacbrakes flagship product, the PRXB (pressure regulated exhaust brake), is the unquestioned leader in the supplemental brake industry. The patented PRXB design delivers the strongest braking horsepower, greatest speed reductions and shortest stopping distances possible without the use of service brakes. It maintains optimum retarding performance by maximizing the exhaust back pressure throughout the entire RPM range. Unlike a typical exhaust brake, which requires high RPMs to work properly, the PRXB delivers constant exhaust pressure (braking) as early as 1200 RPM through to the maximum allowable RPM. \u003c\/span\u003e\u003cbr\u003e\n    \n    \n    \n    \u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003cdiv\u003e\n\u003cspan style=\"\"\u003eThe PRXB provides 50 percent more braking power at lower RPM's and gives you the best hold back in the 1400-1800 RPM range (where you typically drive). In addition, t\u003c\/span\u003e\u003cspan style=\"\"\u003ehe spring controlled pressure regulated mechanism on the exhaust brakes protects against engine over pressure. \u003c\/span\u003e\u003cspan style=\"\"\u003eWhen the brake is deactivated, exhaust flow is unrestricted and won't interfere with power output. The \u003c\/span\u003e\u003cspan style=\"\"\u003epatented 90 degree non-contacting butterfly valve is specially engineered to maximize back pressure while preventing seizing.\u003c\/span\u003e\u003cspan style=\"\"\u003eThe brakes use industry exclusive Arcor Nitride coating on housing and components which increases resistance to wear and corrosion while strengthening the exhaust brake and adding lubricity.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"\"\u003eControlled by a master ON\/OFF switch, Pacbrakes exhaust \nbrakes provide whisper quiet supplemental braking that allows service \nbrakes to be used much less, ultimately saving you money. They have the \nability to be left on all the time, making it ideal for in-city driving \nor for steep, downhill grades. This product pays for itself as less wear\n on the brake pads means fewer brake jobs. \u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch5 style=\"color: rgb(228, 38, 38);\"\u003e\u003cb style=\"color: rgb(228, 38, 38);\"\u003eFeatures\u003c\/b\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eFor Use On Stock Turbocharger\u003c\/li\u003e\n\u003cli\u003eLess Wear \u0026amp; Tear On Service Brakes \u003c\/li\u003e\n\u003cli\u003eIdeal For In-City Driving Or Steel, Downhill Grades\u003c\/li\u003e\n\u003cli\u003eThe Spring Controlled Pressure Regulated Mechanism On The Exhaust Brakes Protects Against Engine Over Pressure\u003c\/li\u003e\n\u003cli\u003eProvides 50 Percent More Braking Power At Lower RPM's, Gives You The Best Hold Back In The 1400-1800 RPM Range \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIndustry Exclusive Arcor Nitride Coating On Housing And Components Which Increases Resistance To Wear And Corrosion\u003c\/li\u003e\n\u003cli\u003eDeliver The Strongest Braking Horsepower, Greatest Speed Reductions \n\u0026amp; Shortest Stopping Distances Possible Without The Use Of Service \nBrakes\u003c\/li\u003e\n\u003cli\u003eSevere Duty \u0026amp; Military Approved\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"color: rgb(228, 38, 38);\"\u003e\n\u003cb style=\"color: rgb(228, 38, 38);\"\u003eWHATS SO SPECIAL ABOUT THE PRXB?\u003c\/b\u003e\u003cbr style=\"color: rgb(228, 38, 38);\"\u003e\n\u003c\/div\u003e\n\u003cspan style=\"\"\u003e\n  \n  \n  \n  In order to have consistent and effective braking over the entire RPM range, it is important (and necessary) to maintain constant backpressure. To achieve this, Pacbrakes patented design has incorporated an additional waste gate on the butterfly valve to regulate the amount of exhaust flow that is being passed through. The flow is controlled by a spring-loaded arm, whose pressure rating and location are key factors in the functionality of the PRXB. Located outside of the housing and away from the heat, the spring is able to maintain its strength and durability for years of proper and precise braking performance.\u003cbr\u003e\n  \n  \n  \n  \u003cbr\u003e\n  \n  \n  \n  \n  \n  \n  \n  \u003cbr\u003e\n  \n  \n  \n  \u003cbr\u003e\n  \n  \n  \n  \u003cbr\u003e\n  \n  \n  \n  \u003cb style=\"color: rgb(228, 38, 38);\"\u003eCREATING \u0026amp; MAINTAINING BACKPRESSURE\u003c\/b\u003e\u003cbr\u003e\n  \n  \n  \n  Backpressure is created by exhaust flow entering the housing, hitting the closed butterfly valve and being forced back out in the direction it came. It is maintained by the pressure-controlled spring that is located on the outside of the exhaust brake housing.\u003cbr\u003e\n  \n  \n  \n  \u003cbr\u003e\n  \n  \n  \n  \u003cb style=\"color: rgb(228, 38, 38);\"\u003ePREMIUM BRAKING PERFORMANCE\u003c\/b\u003e\u003cbr\u003e\n  \n  \n  \n  As the engines RPM increase, the spring compresses and the arm moves away from the butterfly valve, therefore releasing more exhaust flow through the orifice. As the RPMs decrease, the spring releases and the arm applies pressure back onto the plate, covering the hole, and ultimately releasing a smaller amount of exhaust flow.\u003cbr\u003e\n  \n  \n  \n  \u003cbr\u003e\n  \n  \n  \n  \u003cb style=\"\"\u003eThere is less than a 10% change in backpressure over the entire RPM range on the PRXB\u003cbr\u003e\n    \n    \n    \n    \u003cbr\u003e\n    \n    \n    \n    \u003c\/b\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"color: rgb(228, 38, 38);\"\u003e\u003cspan style=\"font-weight: bold; color: rgb(228, 38, 38);\"\u003eApplication Notes\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"\"\u003eAll 2004 - 2007 kits will NOT work with Banks Turbo Back Monster Exhaust. However they will work with Banks Cat Back Monster Exhaust. \u003cbr\u003eAir Actuated - Comes with Air Tank, Hose and Accessories.\u003cbr\u003e\u003c\/span\u003e\n\n\n\n\u003cul\u003e\n\n\n\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cmp-product-force-font\"\u003e\n\u003cspan style=\"color:#e42626\"\u003e\u003cstrong\u003e\u003cu\u003eManufacturer Warranty*\u003c\/u\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n3 Year \/ 100,000 Mile\n\u003c\/div\u003e\n\u003cdiv data-hook=\"variant_changed__data\" data-contentsection=\"render_carb_restriction\" class=\"cmp-product-force-font\"\u003e\n\u003cdiv class=\"cmp-product-carb_restriction\"\u003e\n\n\u003cdiv class=\"cmp-product-carb_restriction__message\"\u003e\n\u003cspan\u003eShipping Restrictions Apply \u003c\/span\u003e\n\u003cspan\u003eThis product can not be shipped to these states\/provinces\u003cstrong\u003eCA\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Pacbrake","offers":[{"title":"Default Title","offer_id":45504656277527,"sku":"PBC44045","price":1779.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/9387\/6759\/files\/C44045_Pacbrake_022426_1_1bb687b1-cd53-4bd8-9901-074a5501e00c.jpg?v=1790799198","url":"https:\/\/ce1fdc-a9.myshopify.com\/products\/xdp-pacbrake-c44045-directmount-prxb-exhaust-brake","provider":"Honey Badger Motor Sports","version":"1.0","type":"link"}