Thread: High flow cats?
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Old 07-07-2013, 07:40 PM   #3
Apex Motorsports
 
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Drives: 2000 Camaro SS
Join Date: Feb 2010
Location: Louisville, Ky.
Posts: 25,165
Like Asphalt said, you are going to feel and hear them. A tune is not required but you will certainly get more out of them with one. If you have any other questions feel free to hit me up.
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