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I just installed trick flow 170cc heads on my 302 mustang and would like some input on intake selection! I sold the air gap knock off I had because it was a single plane and I want a dual plane. I stayed with the b-cam in sig but went with 1.72 rockers. Right now the two I'm looking at are the edelbrock 7121 performer rpm vs weiand Stealth 8020. Does anyone have any experience with either or? I wanted to get the edelbrock air gap 7521 but didnt want to spend $250 on it unless there is a noticeable hp increase over the others. If it helps I have a 4" cowl hood so clearance isn't a issue! Please help I need to order my intake asap! The rest of my mods in sig are correct.
 

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The difference is the powerband.

RPM - 1500-6500
Stealth - idle-6000

Either would work with your combination, if your budget is really tight, you'd be fine with the Weiand.
 
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