Looking at 1st modification on 01gt

[Nooky Booky]

I'm looking to do my first modification to my 01 GT. I'm going to do a K&N filter kit and a Steeda under drive pulley. I can only do one right now and my question is which do you think I should do first? By the way if your doing a under drive pulley kit you need to know that Ford changed the design of the water pump mid-way though the 2001 prodution year on the 4.6L. The 96-mid 2001 GT has a bowed outward face on the water pump pulley and the January and after has a depressed face on the pulley.(They shortened the water pump shaft)This requires a different pulley than the one used on kits prior to the change. As of now there is not a kit availible from Steeda for the newer models. They are working on it.

[95GTS]

Depends on how much money you want to spend. There's a big difference between a $50 air filter and a $180 set of UD's. However, you'll probably get more performance from the pulley's for now but you still need to get the K&N in there, too. It's not that much, just do both. You'll gain more hp with the pullies than with the filter.

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1994 Red SVT Lightning #2019

[Freddie]

Since pulleys are a waste of money on the 2001GT. Spend the money on something that you will notice a difference, get the filter kit.

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M/M #411
14.16@98.3
3500lb race weight
Silver 2001GT
4R70W auto K&N Silencer removed Magnaflow Mufflers Motorsports ccBreather

[Red Mustang Gt 46]

If your planning on bolt on street performance and everyday driver reliability, your headed in the "normal" direction. If you want a S/C, heads, intake, save your $$$. Most people start from top to bottom ie: filter, maf, underdrives, exaust, and gears. I'm very happy with my combo. BTW, the underdrives were the biggest gain in HP for me.

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1998 Mustang Gt
C&L 80mm
Steeda Underdrives
Steeda Tri-Ax
Magnaflows

[Mustang92]

Originally posted by Freddie:
Since pulleys are a waste of money on the 2001GT.

Tell where your pulling this statement from? Pullies are good for at least 10HP period.

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00 GT, MAC Offroad H, Steeda Pulleys & Timing Adjuster, 4.10’s, Flows w/turndowns, UPR shifter, UPR Pro Series LCA’s, Lakewood 70/30’s & 50/50’s, 253.8 RWHP/292.8RWTQ
12.91@101.93 (1.74 60ft)
M/M 100, 7085
2001 Mod Motor Shootout 2V NA Champion
Recent Pic from Moroso