Greddy ti-c or spectrum elite?
#21
Originally Posted by splatter85,Aug 7 2010, 11:43 PM
I saw dyno numbers for the single and dual SE and the single ups the car 9hp, the dual ups it 14hp. I was under the impression single is better but that muffler restricts airflow a bit. Even with the Y split the dual produces more power (with the SE, i can't speak for other exhausts).
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