The inside of the bonnet has already got soundproofing.
So if i do the complete airbox an intake tube, this would also help?
There are trumpets in the airbox. Feeding the air trough both sides of the box is a good idea. It will be a little work, but i'll tried this option last.
Tomorrow i'll tried fitting the filter straight to the airbox.
I was also playing with the idea off an intake resonator? Does anybody know about this? Or even tried it?
Thanks for all the good idea's
PS
That strutbar was on there wenn i bought the car. It is made from thick Alu tubing. The front of a kadett is not so strong, so every little reinforcement helps.
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