If you plan on adding a supercharger then go with the AFR 185, if you are not going to supercharge it then get the trick flow. The 185 cc intake ports on the AFR 185 will slow your port velocity and you will not get as much power as you could with a smaller intake volume.
I would say the trick flow for your app.
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James Cox
nochevy@hotmail.com
1991 Mustang LX
12.565 @109.38mph 1.764 60ft