Guest importwerks.com Posted September 10, 2004 Share Posted September 10, 2004 Hi I want to route the outlet on my npr back around to the driver side of the car(like ivan280zx did his). My brother told me that it is bad for performance to have a 180 degree bend like that in the piping, but then i thought about the HKS intercooler and it has a 180 degree bend. Well i just want to make sure whether its bad or not. Quote Link to comment Share on other sites More sharing options...
Guest Loose_Screws Posted September 10, 2004 Share Posted September 10, 2004 I made a 180 bend for my IC setup. Used mandrel bends from JC Whitney. I don't think it will hurt performance as long as there is a constant smooth diameter. I would not recommend having it built with an exhaust bender as they crimp the pipe and reduce the overall diameter. Quote Link to comment Share on other sites More sharing options...
johnc Posted September 10, 2004 Share Posted September 10, 2004 Any bend reduces flow by some amount. If the tubing is mandrel bent then the flow reduction is small and probably not worth worrying about. BTW... A 180 degree bend is no worse then two 90 degree bends so, if you're 180 bend is replacing two 90 degree bends, it should even out. Quote Link to comment Share on other sites More sharing options...
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