The standard-duty Hedman Hedders in this section come from the factory with an extremely durable, protective ceramic-metallic coating. Hedman Hedders, pioneered the use of ceramic-metallic coatings, back in the early 80's. Previously used exclusively in the aerospace industry, Hedman Hedders recognized it's potential for improving both the lifespan, and functionality of exhaust Hedders. Hedman Hedders HTC Hedders Exhaust Hedder 28146 Tube Size 1 5/8 - 2 in. - Collector Size 3 in. - w/o Smog Injection Or Injection Heads - 3 Tube DesignThermal Protection Up To 1300 Deg.Will Not Chip Or PeelMore Durable Than ChromeWill Not Blue Or DiscolorEasy To CleanBetter Heat InsulationGuaranteed Against External Rust-ThroughBest High Temp Coating On The Market TodayPit Stop USAoffers Hedman Hedders HTC Hedders Exhaust Hedder 28146 at low everyday prices. Be sure to check out all of the products from Hedman Hedders including Hedman Exhaust System Parts and Accessories, Hedman Hedder, Hedman Hedders, Hedman Full Length Hedders, Hedman Pontiac Hedders.