{"product_id":"thermal-tip-4-dia-x-8-long-x-3-inlet-angle","title":"Thermal Tip - 4' Dia x 8' Long x 3' Inlet, Angle Cut","description":"\u003ch4\u003eThermal R\u0026amp;D 4308A Polished Exhaust Tip 4in Outlet x 8in Long x 3in Inlet Angle Cut\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eThermal R\u0026amp;D 4308A\u003c\/strong\u003e is a dual-wall, angle-cut exhaust tip machined from T304 stainless steel and mirror polished to a show-quality finish. With a 4in outlet, 3in inlet, and 8in overall length, the \u003cstrong\u003e4308A\u003c\/strong\u003e slides directly over any 3in exhaust pipe and locks in place with a band clamp or weld for a permanent install. The angle cut delivers an aggressive, forward-swept appearance that gives any build a performance-oriented rear end presentation. Dual-wall construction shields the outer barrel from exhaust heat, keeping the polished surface free from heat tint and carbon buildup long after installation. Precision formed and welded in Lancaster, CA, every \u003cstrong\u003eThermal R\u0026amp;D 4308A\u003c\/strong\u003e tip meets the same exacting tolerances used in Thermal R\u0026amp;D complete cat-back systems.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eT304 stainless steel with a deep mirror polish that resists rust and corrosion\u003c\/li\u003e\n\u003cli\u003eDual-wall barrel keeps the outer surface cool and free from heat discoloration\u003c\/li\u003e\n\u003cli\u003eAggressive angle cut for a forward-swept, race-inspired appearance\u003c\/li\u003e\n\u003cli\u003e4in outlet diameter, 3in inlet diameter, 8in overall length on the \u003cstrong\u003e4308A\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eClamp-on or weld-on installation - no drilling or fabrication required\u003c\/li\u003e\n\u003cli\u003eMade in Lancaster, California by Thermal R\u0026amp;D\u003c\/li\u003e\n\u003cli\u003eCovered by Thermal R\u0026amp;D Limited Lifetime Warranty to the original vehicle owner\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 4308A polished T304 stainless steel angle-cut exhaust tip\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e4308A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eThermal R\u0026amp;D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eT304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eMirror Polished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlet Diameter\u003c\/td\u003e\n\u003ctd\u003e4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInlet Diameter\u003c\/td\u003e\n\u003ctd\u003e3 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Length\u003c\/td\u003e\n\u003ctd\u003e8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Construction\u003c\/td\u003e\n\u003ctd\u003eDual-Wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCut Style\u003c\/td\u003e\n\u003ctd\u003eAngle Cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Method\u003c\/td\u003e\n\u003ctd\u003eClamp-on or Weld-on\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA (Lancaster, CA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003eN\/A - Thermal R\u0026amp;D OEM Part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited Lifetime to original vehicle owner (non-transferable; excludes commercial and racing use)\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 diameter does the 4308A fit?\u003c\/strong\u003e The \u003cstrong\u003e4308A\u003c\/strong\u003e is designed for a 3in inlet, fitting any exhaust pipe with a 3in outside diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the outlet diameter of the 4308A?\u003c\/strong\u003e The outlet measures 4in in diameter, providing a noticeable size increase over the inlet for an aggressive look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow long is the Thermal R\u0026amp;D 4308A?\u003c\/strong\u003e The \u003cstrong\u003e4308A\u003c\/strong\u003e is 8in in overall length, giving a substantial presence at the rear of the vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs the 4308A single-wall or dual-wall construction?\u003c\/strong\u003e Dual-wall. The inner wall carries exhaust gases while the outer barrel stays cool, preventing heat tint on the polished finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes the 4308A require welding to install?\u003c\/strong\u003e No welding is required. A band clamp over the 3in inlet secures the \u003cstrong\u003e4308A\u003c\/strong\u003e firmly in place. Welding is an option for a permanent install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWill this tip discolor from exhaust heat?\u003c\/strong\u003e The dual-wall design isolates the outer polished barrel from direct exhaust heat, significantly reducing heat tint and carbon staining compared to single-wall tips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs the 4308A sold as a single tip or a pair?\u003c\/strong\u003e The \u003cstrong\u003e4308A\u003c\/strong\u003e is sold individually. Order the quantity matching the number of exhaust outlets on your system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhere is the Thermal R\u0026amp;D 4308A manufactured?\u003c\/strong\u003e Every \u003cstrong\u003e4308A\u003c\/strong\u003e is precision formed and welded in Lancaster, California at the Thermal R\u0026amp;D facility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat warranty does the 4308A carry?\u003c\/strong\u003e Thermal R\u0026amp;D provides a Limited Lifetime Warranty to the original vehicle owner. The warranty is non-transferable and does not cover commercial or racing use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan the 4308A be polished if it gets scratched?\u003c\/strong\u003e Yes. T304 stainless steel can be re-polished with a stainless steel polish compound and a polishing wheel to restore the mirror finish.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eAllow the exhaust system to cool completely before handling.\u003c\/li\u003e\n\u003cli\u003eClean the end of the exhaust pipe to remove rust, carbon, or debris that would prevent a flush seating of the \u003cstrong\u003e4308A\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSlide the 3in inlet of the \u003cstrong\u003e4308A\u003c\/strong\u003e over the exhaust pipe outlet and position to the desired angle and depth.\u003c\/li\u003e\n\u003cli\u003eTighten a stainless steel band clamp over the inlet to secure. Torque to clamp manufacturer specification.\u003c\/li\u003e\n\u003cli\u003eFor a permanent install, MIG or TIG weld around the inlet circumference after positioning.\u003c\/li\u003e\n\u003cli\u003eCheck alignment and confirm the tip does not contact the bumper or valance at any suspension position.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eProp 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including Nickel (Metallic), which is known to the State of California to cause cancer. 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":44537582649423,"sku":"4308A","price":78.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/thermal_rd_4308a_tip.jpg?v=1772739113","url":"https:\/\/www.blackopsautoworks.com\/products\/thermal-tip-4-dia-x-8-long-x-3-inlet-angle","provider":"Black Ops Auto Works","version":"1.0","type":"link"}