just wondering whats better out of the 2 for dc2r
alittle tight on budget so have to settle on one of these
would like to hear why for choice and from experience
thanks
does anyone here have any proof of one losing power by putting these parts in comparison to stock? or do we all talk out of our asses? paying double the price doesnt mean youll get a part that performs 2 or 3 of 4 fold better. if i can get a part that makes 2kw less at half the price id be interested
it aint a ferrari, its a great car, i own one so i know, but if someone has realtime experience id like to know just like the OP.
Ok here's my experience, i've done the cheap header route and the expensive route.
2nd hand headers, just make sure they don't have cracks or big bumps, small bumps are expected. Rem they are only pipes so there is no difference in performance unless they have lots of carbon buildup but then you can clean that up.
Cheap headers - they do do abit of difference, but usually they have clearance problems from either fans or being too low, otherwise not too bad. I generally would stay away from 4-1s on the cheap headers as most i've seen are not made very well and are too low and hit things. Also stay away from US 4-1s as you might not clear the clutch slave.
Noise - all higher flowing headers have a whooshing noise, most OEM headers have defusers in them to stop the noise, also the headers are stainless steel or mild steel with very thin walls. You OEM headers are generally cast (bar ITR headers). Thus the niose comes through more. Its the same even with the expensive headers, but not so much as they generally use better materials. One way to reduce is to wrap them if you have the problem. Just make sure you follow the instructions and wrap proeprly, otherwise they will crack over time.
P.S make sure the installer does a good job also otherwise all your hard work is for naught
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