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So how much more power can you really get by changing to a larger throttle body when the MAF sensor is about as big around as a paper towel tube? Also, will the intake manifold need material removed to accommodate the larger throttle opening?
 

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well i just did this yesterday lol. I don't have a 70mm MAF but i put in a 65mm t/b and i ported my intake mani opening to well as close to 65mm as u can lol. From what i read u only get around 2 or 3hp from the t/b but the response and change of feeling in ur car us well the best
 
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