Quote:
Originally Posted by MZWIE
The aftermarket CP's are the same size as OEM. Other than construction material, what is the benefit.
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OEM is plastic and so due to heat cycling from under the hood temps, it will harden/age and become more brittle.
Eventually, even on stock cars, this brittle plastic part can fail.
I chose to fit ER boost pipes (both sides of i/cooler) as they are more resilient/robust, have a smoother larger bore, come with assorted bungs (futureproofing should I feel the need to install WMI) and install is easy esp if done whilst fitting upgraded i/cooler.
I had ER pipes on my modded BMW's (e91 n54, F2x n55 & F87 n55) and fitting larger i/cooler can sometimes cause laggy part throttle. In my experience, installing ER pipes helped retain oem throttle response.