chartoo Posted August 17, 2014 Posted August 17, 2014 Does mandrel bends vs regular bends really that make big a difference for just a street car? I'm not going drag racing or chasing E.T's. Just driving for fun. Would you notice a difference on the same system, same engine but the different bends. I don't think it would be noticeable would it? Opinions ? Quote
Moderators Zedman240® Posted August 17, 2014 Moderators Posted August 17, 2014 With regular vs manderl bends, the cross section area in a normal pipe bend is a decent percentage smaller as the pipe flattens itself at the bend. Theres a huge difference...even avoid using 90 degree bends if possible. How much would you save if you used normal bends compared to mandrel? Quote
Six_Shooter Posted August 17, 2014 Posted August 17, 2014 Whether the difference would be noticeable on a street car, or really impact driving or not, I would still use mandrel bends. I use Mandrel over crush bends any time I can, for any bend. I figure it's the same work either way, why not use the better flowing bends? Also if you're not using complete bends, but cutting somewhere in the middle of the bend to weld back together to fit around something, as I often do, it's much, much easier with mandrel bends than with crush bends. Quote
luvemfast Posted August 17, 2014 Posted August 17, 2014 Would it be noticed? A litle bit, for a fun road car. Having many bend, will alter air speed and pressure each time it expands and retracts. Which you'll feel as a bit of lag and not a true indication of boost. I'm assuming you're just getting an exhaust guy to bend it up in one peice, to try and make it easier? I'd personally go for mandrel bends. Quote
chartoo Posted August 18, 2014 Author Posted August 18, 2014 Yeah I can just get cheap stainless steel but it press bent. Maybe its not worth it then Quote
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