I'd agree. The law of unintended consequences comes in to play all too easily in these types of situations. For instance, without a check on water drainage capabilities your new (proposed) scoop might funnel in more water in a rainstorm than the existing drain can handle. That could be a REAL problem. If you choose to try this I'd be very careful.

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LRG
1987 300D Turbo 175K
2006 Toyota Prius, efficent but no soul
1985 300 TDT(130K miles of trouble free motoring)now sold