Re: Air box interchnage& performance upgrades
I also installed a spacer on the 03 n/a I had and I noticed a 2mpg increase too.And if search hard enough crewzin you can find a pretty old thread where members weigh the pros and cons on spacers and about 2 or 3 guys on the thread said it gave better mpg and a "cool whistling sound" to be exact. lol
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2003 N/A PT,60k miles,Bomez intake with K&N filter,APP5263 plugs,8.5mm blue Magstar wires,MSD Coil,Silverstar headlights,Silverstar Ultra foglights.
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