Quote:
Originally Posted by gussyturbo z
Do you guys think that the test pipes could cause a little loss of hp? I had cats on it and it seems like it's a little sluggish at times. I'm thinking about going back to cats. Plus the fire balls were pretty cool.
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Test pipes will cause you to lose some boost pressure in the cylinder. We have seen around 10-20 whp losses with HFC's and Test Pipes.