Thanks Doc, you saved me 2$ I have a few b/u stock couplers layin around I will use. Hey, are you using the stock header. I was thinkin about strippin the black anodize off my header and maybe gettin it blue anodize to match unless you can recommend one that will match the traxxas pipe that is blue. I wasn't sure if the traxxas header would fit. Maybe I am just to obsessed with this whole pipe thing