NOVAROSSI WORLD INS-BOX, complete with airfilter. Approved by IFMAR-EFRA.
[attach]330960[/attach]
又或者系 Xceed
Reduces noise level by 3 dB(A) without loosing horsepower! Mandatory for all 1/8 and 1/10 scale racing in Europe. IFMAR and EFRA approved. Fits engines with 15mm carb-intake.
[attach]330961[/attach]作者: kambox808 時間: 2009-12-25 11:42 1#EricRC
c hing,咁藍色包住風隔果舊野有乜用呀?thx作者: superx 時間: 2009-12-28 10:08
增強低轉扭力.
汽車一樣 design作者: jf813 時間: 2009-12-28 12:48
It is design for ifmar race to reduce the noise level. But to be hornest it only reduce the noise slightly.