Quote:
Originally Posted by Grishbok
im not sure how replacing a tube with the same diameter tube could net you better throttle response... definitely placebo. This is an asethetic mod, nothing more.
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It's not the same diameter, it keeps a constant 76mm throughout, whereas the stock necks down to 70mm, plus has that accordion section that isn't the greatest for air flow. It's a touch over 10% increase in air flow.
Feel free to check out the thread where 3 different cars were tested with it by an independent shop, and all posted gains.