Sorry I wasn't clear, I meant that if you wanted to upgrade your TB from the 65(I think the cobra came stock with those) it wouldn't do any good, since the EGR is built in, and you can't bore it any over 65. I upgraded up from a stock 58 to a BBK 70mm, and noticed a huge difference with my TFS Intake. If you are only srteet racing, I would not recommend the track heat intake, you will lose a lot of bottom end, and the P heads aren't great high rpm heads compared to aluminum bigger valved heads. If you are going with only a 100 shot of nos, go with a TFS, Performer, or a EH GT-40 and a bigger TB.
also IMHO, MAC products are mediocre at best.
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Dustin
1990 Saleen GTSport #14
TFS Street Heat Upper & Lower(Black), TFS TW heads, TFS 3/8" Phenolic Spacer, E303 Cam, FMS 1.6 Roller Rockers, BBK 70mm TB, FMS 70mm MAF, MAC 1 5/8" Equals, Dynomax Super Turbo 2 1/2" cat back, Bassani 2 1/2" Off-Road X-Pipe, MSD 6AL Ignition w/ MSD TFI Coil, Home made Ram Air, Racecraft Suspension
60ft: 2.158
330ft: 5.396
660ft: 8.271 @ 91.43
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