{"product_id":"thermal-tip-4-dia-x-8-long-x-3-inlet","title":"Thermal Tip - 4' Dia x 8' Long x 3' Inlet","description":"\u003ch4\u003eThermal R\u0026amp;D 4308 Universal Exhaust Tip 4in Dia x 8in Long x 3in Inlet Polished\u003c\/h4\u003e\n\u003cp\u003eThe Thermal R\u0026amp;D 4308 is a polished dual-wall flat cut exhaust tip measuring 4 inches in outer diameter, 8 inches in overall length, with a 3-inch inlet. This versatile universal tip is made in Lancaster, California, USA to the same quality standards as all Thermal R\u0026amp;D exhaust products. The 4308 features a polished stainless steel outer wall over a dual-wall construction, providing the classic bright tip appearance with added heat insulation between the inner and outer walls. The flat cut end delivers a clean, professional look suitable for street, sport truck, and custom applications running 3-inch exhaust systems.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e4-inch outer diameter x 8-inch length x 3-inch inlet universal exhaust tip\u003c\/li\u003e\n\u003cli\u003ePolished stainless dual-wall construction for premium appearance\u003c\/li\u003e\n\u003cli\u003eFlat cut end for a clean, symmetrical look\u003c\/li\u003e\n\u003cli\u003eUniversal slip-fit design for 3-inch exhaust pipes\u003c\/li\u003e\n\u003cli\u003eSKU 4308 manufactured in Lancaster, CA USA by Thermal R\u0026amp;D\u003c\/li\u003e\n\u003cli\u003eLimited Lifetime Warranty to original vehicle owner (non-transferable)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Thermal R\u0026amp;D 4308 universal exhaust tip\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU \/ MPN\u003c\/td\u003e\n\u003ctd\u003e4308\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003eN\/A (Thermal R\u0026amp;D direct)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e4 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Length\u003c\/td\u003e\n\u003ctd\u003e8 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInlet Diameter\u003c\/td\u003e\n\u003ctd\u003e3 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCut Style\u003c\/td\u003e\n\u003ctd\u003eFlat Cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eDual-wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003ePolished Stainless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMade In\u003c\/td\u003e\n\u003ctd\u003eLancaster, CA USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited Lifetime (original vehicle owner, non-transferable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat exhaust pipe size does the 4308 fit?\u003c\/strong\u003e The 4308 is designed for a 3-inch inlet, meaning it fits exhaust tailpipes measuring 3 inches in outer diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs the 4308 universal?\u003c\/strong\u003e Yes. The Thermal R\u0026amp;D 4308 is a universal slip-fit tip not specific to any vehicle. Verify your exhaust outlet is 3 inches before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the difference between 4308 and 4308A?\u003c\/strong\u003e The 4308 has a flat cut end for a clean symmetrical look. The 4308A has an angle cut end for a sporty asymmetric style. Both share the same 4-inch diameter, 8-inch length, and 3-inch inlet dimensions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow is the tip secured to the exhaust?\u003c\/strong\u003e The tip uses a slip-fit design secured with an exhaust clamp at the 3-inch inlet end. No welding required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs this tip polished or coated?\u003c\/strong\u003e The 4308 has a polished stainless steel finish on the dual-wall outer shell.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhere is the 4308 made?\u003c\/strong\u003e Thermal R\u0026amp;D manufactures all products including the 4308 in Lancaster, California, USA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes the dual-wall design have a functional purpose?\u003c\/strong\u003e Yes. The dual-wall construction insulates the outer decorative shell from direct hot exhaust gas contact, helping preserve the polished appearance and reducing heat shimmering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat warranty applies to the 4308?\u003c\/strong\u003e Thermal R\u0026amp;D provides a Limited Lifetime Warranty to the original vehicle owner. Non-transferable, excludes commercial and racing use.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003cp\u003e1. Allow the exhaust system to cool completely. 2. Confirm your exhaust outlet pipe is 3 inches in outer diameter. 3. Slide the 4308 tip over the exhaust outlet. 4. Adjust to desired position and angle. 5. Tighten the inlet clamp securely. 6. Start the vehicle and verify there are no exhaust leaks at the connection.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProp 65 Warning:\u003c\/strong\u003e Exhaust system components can expose you to carbon monoxide and other chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to \u003ca href=\"https:\/\/www.p65warnings.ca.gov\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"Thermal R\u0026D","offers":[{"title":"Default Title","offer_id":44537582714959,"sku":"4308","price":78.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/thermal_rd_4308_tip.jpg?v=1772738101","url":"https:\/\/www.blackopsautoworks.com\/products\/thermal-tip-4-dia-x-8-long-x-3-inlet","provider":"Black Ops Auto Works","version":"1.0","type":"link"}