Originally Posted by
Duct_tape123
Unless you're moving a lot of air through the motor(monster cam with aftermarket intake/heads and spinning to 7k+, or a good sized shot of nitrous) the 1-3/4" should take care of your needs. And you don't want any back pressure, you want velocity. Don't confuse the two.
YES! Not every one takes the time to research such an overlooked performance upgrade.
2002 ECSB 2WD 5.3
1995 Formula Firebird 383 LT1
1984 Camaro 408 SBC
Most sports require one ball, motocross requires two.
Racing isn't a matter of life and death, it's much more important than that.
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