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no need to upgrade a throttle body on a n/a engine unless you have internal upgrades to support. you will see no power gain. it will feel different since it is the throttle you are messing with
a but there is no need to introduce a larger volume if your engine is not calling for it. if you had to drink a mcdonalds milk shake from a cup would you be able to get more out with a straw with a hole the size of a half dollar? would you be able to get more tasty beverage in faster? or would you have to pull harder and most likely get less. i cant think of one na car bmw or others ive worked on where the throttle body unlocked power unless compression was increased. s
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