Quote:
Originally Posted by MileMAN402
Yes...but not necessary unless you plan on pushing a lot of power like FI. If you're only going for sound you could stick with 1 3/4" and save a couple bucks but the bigger size will give you better flow and more power. With a proper tune of course.
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With the testing that was done by Ted it showed that even without the tune the 2" were the best. More power up top and no power loss down low. The price difference is around $200 between them all. So if power is what you are after 2" is the way to go. If you just want better exhaust and sound then 1 3/4" is fine.