{"product_id":"3-5inch-universal-car-exhaust-system-valved-muffler-with-complete-remote-vacuum-system","title":"3.5inch Universal Car Exhaust System Valved Muffler with Complete Remote Vacuum System","description":"\u003ch1 class=\"otQkpb\" role=\"heading\"\u003e\n\u003cspan class=\"rQesXe MPyX\"\u003eDESCRIPTION\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/h1\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003eRadically redefine your vehicle's acoustic profile and performance threshold with the \u003cstrong class=\"rQesXe MPyX\"\u003eWANMAX RACING Universal Single Inlet Single Outlet Vacuum Valved Exhaust Muffler Dual Kit\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e.\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003eThis masterfully engineered \u003cstrong class=\"rQesXe MPyX\"\u003etwin-muffler system\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e is designed explicitly for automotive enthusiasts seeking a luxury-tier, dual-mode exhaust setup. Complete with a heavy-duty smart vacuum pump control module, this complete kit grants you instantaneous authority over your car’s backpressure and exhaust note.\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003e Manufactured in both high-value \u003cstrong class=\"rQesXe MPyX\"\u003e201\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e and maximum-durability \u003cstrong class=\"rQesXe MPyX\"\u003e304 Stainless Steel\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e with 5 different diameter configurations to perfectly accent your custom exhaust fabrication.\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003ch1 class=\"otQkpb\" role=\"heading\"\u003e\n\u003cspan class=\"rQesXe MPyX\"\u003eKEY FEATURES\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/h1\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eSymmetrical Twin Pneumatic Design:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Features a perfectly matched left\/right pair of single inlet and single outlet valved mufflers equipped with ultra-responsive vacuum actuators for quick-action valve operations.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eSmart Vacuum Control Module:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Complemented by a high-output blue control pump box and two metallic 3-button wireless remotes, supporting simple dynamic cabin acoustics customizability.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003ePremium T-304 \u0026amp; 201 Structural Options:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Available in cost-effective steel grades or ultimate weather-defying stainless steel options, finished to a mirror polish that elevates under-chassis aesthetics.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eOptimized Scavenging Efficiency:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Drastically drops engine exhaust backpressure when fully open, amplifying throttle response, mid-range torque, and total horsepower gains.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cbr\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003ch1 class=\"otQkpb\" role=\"heading\"\u003e\n\u003cspan class=\"rQesXe MPyX\"\u003eTECH SPECIFICATIONS\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/h1\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eBrand:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e WANMAX RACING\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eProduct Type:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Universal Single Inlet Single Outlet Vacuum Valved Exhaust Muffler Dual Kit\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eFitment Type:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Universal Fitment (Cutting, custom pipe bending, and welding mandatory)\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eAvailable Connection Pipe OD:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e 2.0\" (51mm) \/ 2.5\" (63mm) \/ 2.75\" (70mm) \/ 3.0\" (76mm) \/ 3.5\" (89mm)\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eMaterial Variants:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Polished 201 Stainless Steel \/ Heavy-Duty 304 Stainless Steel\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eValve Mechanism:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Pneumatic \/ Vacuum Chamber Actuated\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eControl Input Voltage:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e 12V DC (Powered via vehicle lighter adapter socket)\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eKit Layout:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e 2 x Symmetrical Single Inlet Single Outlet Muffler Bodies\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003ch1 class=\"otQkpb\" role=\"heading\"\u003e\n\u003cspan class=\"rQesXe MPyX\"\u003eVEHICLE FITMENT\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/h1\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eUniversal Application:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Seamlessly accommodates a vast array of domestic and import sports cars, sedans, trucks, and SUVs built with factory dual exhaust channels (one muffler on each side) or any build executing a custom dual-exit exhaust conversion.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cem class=\"zhvwWe\"\u003eImportant Note: This is a \u003cstrong class=\"rQesXe MPyX\"\u003eweld-on fabrication kit\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e. It is not a vehicle-specific bolt-on configuration. Professional automotive shop measurement, pipe cutting, and expert welding are strictly required.\u003c!--TgQPHd|||[]--\u003e\u003c\/em\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003ch1 class=\"otQkpb\" role=\"heading\"\u003e\n\u003cspan class=\"rQesXe MPyX\"\u003eMEASUREMENT CONFIRMATION\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/h1\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003ePlease perform these absolute verification steps prior to finalizing your order:\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003col class=\"T9WCjf qkgVBf\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003ePipe Outside Diameter (OD) Check:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Use a digital caliper to measure the exact \u003cstrong class=\"rQesXe MPyX\"\u003eOutside Diameter (OD)\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e of your mid-pipe or existing rear exhaust inlet line. Select the matching size from our variants: 2\", 2.5\", 2.75\", 3\", or 3.5\".\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eDual Cavity Space Check:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Because this kit comes with \u003cstrong class=\"rQesXe MPyX\"\u003etwo complete large-body mufflers\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e, check your vehicle’s bumper rear cutouts and under-car pockets. Ensure ample physical width, depth, and height clearance to avoid proximity contact with suspension arms, differential housings, or plastic bumper tabs.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003ch1 class=\"otQkpb\" role=\"heading\"\u003e\n\u003cspan class=\"rQesXe MPyX\"\u003eWHAT'S IN THE BOX\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/h1\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e2 x Single Inlet Single Outlet Mufflers (with Integrated Vacuum Actuators)\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e1 x Intelligent Vacuum Pump Control Box (Blue Housing)\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e2 x Premium 3-Button Wireless Remote Key Fobs\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e1 x Blue Vacuum Silicone Hose Roll\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e1 x 12V Cigarette Lighter Power Supply Cable Harness\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e1 x Brass T-Connector Fitting Hardware Pack\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003ch1 class=\"otQkpb\" role=\"heading\"\u003e\n\u003cspan class=\"rQesXe MPyX\"\u003eINSTALLATION GUIDE \u0026amp; PRECAUTIONS\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/h1\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003cdiv class=\"AdPoic\" role=\"heading\"\u003e\n\u003cstrong class=\"rQesXe MPyX\"\u003eInstallation Steps:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003col class=\"T9WCjf qkgVBf\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eMock-Up Positioning:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Safely hoist the car. Support the left and right valved mufflers underneath the vehicle chassis pockets to accurately map out custom pipe routing and check clearance.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eCustom Weld Fabrication:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Cut out the factory restrictive tail mufflers. Weld the new inlet and outlet lines smoothly onto your exhaust tract. \u003cstrong class=\"rQesXe MPyX\"\u003eProfessional TIG or MIG continuous bead welding is mandatory.\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eVacuum Hose Plumb:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Connect the high-temperature blue silicone hose to the vacuum brass nipple on both actuators. Use the included brass T-connector to merge them into a single vacuum line, then run it through a floor rubber grommet into the vehicle interior.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eControl Module Hookup:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Secure the blue control pump safely inside a dry cabin environment (like the trunk corner). Link the blue silicone hose to the pump nozzle and plug the 12V harness into your car's lighter socket.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eSystem Operation Check:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Start the engine, toggle the remote control buttons, and confirm that both vacuum butterfly valves respond immediately and in perfect synchronization.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003cdiv class=\"AdPoic\" role=\"heading\"\u003e\n\u003cstrong class=\"rQesXe MPyX\"\u003ePrecautions:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eThermal Mitigation Protocol:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Ensure the blue silicone vacuum hose is tucked and tightly zip-tied far away from the hot muffler casing or exhaust pipes. Melting the hose will create a vacuum leak, causing the valves to lock up or malfunction.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eKeep Control Box Isolated:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e The blue vacuum box must stay inside the trunk or cabin. Do not install it under the chassis where it faces direct rain, water puddles, or flying gravel.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003ch1 class=\"otQkpb\" role=\"heading\"\u003e\n\u003cspan class=\"rQesXe MPyX\"\u003eTROUBLE-SHOOTING GUIDE\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/h1\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eQ: The remotes fail to activate the system, and the blue control box displays no signs of electrical life.\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eA:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Verify that the 12V adapter is firmly pushed down into the socket and your vehicle’s accessory ignition is on. Unscrew the front locking tip of the cigarette adapter plug to check if the internal glass fuse has ruptured; swap it with an identical amp fuse if blown.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ul\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eQ: The box powers up and pump hums, but only one valve actuates or they open very slowly.\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eA:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Inspect the blue silicone hose run. Check for sharp kinks, pinches from body panels, or hot spots where the line may have melted against the exhaust pipe. Ensure the brass T-connector ends are clipped on air-tightly.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ul\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eQ: There is an exhaust ticking rattle or puffing leak sound when the valves are clamped tightly shut.\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eA:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Visually check all newly welded seams on both mufflers for micro pinholes or weak welds. If the welds are intact, inspect inside the valve throats for any internal weld splatter or road debris preventing the flaps from resting perfectly flush on their machined internal seats.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wanmax Racing","offers":[{"title":"3.5inch \/ 201SS","offer_id":56048224272756,"sku":"WMR-UNI-MUF-VV-201-35-DK","price":162.0,"currency_code":"USD","in_stock":true},{"title":"3.5inch \/ 304SS","offer_id":56048224305524,"sku":"WMR-UNI-MUF-VV-304-35-DK","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/7244\/2740\/files\/Pneumaticvalvemuffler_6_2_2.jpg?v=1789449849","url":"https:\/\/wanmaxracing.com\/products\/3-5inch-universal-car-exhaust-system-valved-muffler-with-complete-remote-vacuum-system","provider":"Wanmax Racing","version":"1.0","type":"link"}