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適用車型：寶馬328i (F30) 12-13 L4-2.0L (t) N20/N26
重量:1kg
零件號：46-31009

英文網址：http://afepower.com/shop/details_new.php?partno=46-31009&filter&menu=gas&searchtype=word&keyword=46-31009&brandID=26

它安裝于節氣門和發動機之間。
作用是對進入發動機內的空氣進行重整，使空氣在發動機內更好地與霧化汽油混合，使其燃燒更加充分，從而增加燃燒效率。
內部為鋸齒/螺旋設計，使氣體以渦流方式進入發動機內，讓燃燒更加充分，在提升馬力和扭矩的同時也提高了油門響應。

AFE節氣門墊片安裝說明 AFE節氣門墊片性能參數 AFE節氣門墊片與原廠性能對比

英文說明:
This Silver Bullet throttle body spacer produces up to 6 hp and 10 lbs. x ft. torque and is constructed from precision machined T-6061 billet aluminum. Using a serrated/helix design, this spacer creates turbulence in the air flow at the point just prior entry into the engine optimizing the combustion cycle. This turbulence helps the air/fuel charge burn completely providing increased horsepower, torque and improved throttle response. This spacer works with the OE and aFe Power cold air intake systems.
Serrated/Helix Design: The Serrated/Helix combination design creates intake turbulence in the combustion chamber. This turbulence breaks up the fuel which creates a more complete combustion cycle increasing horsepower, torque and improving throttle response. The Serrated/Helix combination design also reduces intake whistle that occurs with other Helix only designs.
T-6061 Billet Aluminum Construction: All Silver Bullet Throttle Body Spacers are precision machined from T-6061 billet aluminum for light weight, high strength and perfect fit and finish.
Longer Intake Track: Adding a Silver Bullet Throttle Body spacer lengthens the intake track which helps increase intake air speed increasing performance and improved throttle response.

This throttle body spacer is 50-state legal (CARB E.O Number D-550-11).