Top Speed Pro 1 vs RS-R Exmag GTII
#1
Top Speed Pro 1 vs RS-R Exmag GTII
What exactly is the difference between the two? They both look and sound exactly the same. I am considering on purchasing one of these, but do not know which one to buy. Which exhaust would be a better choice? I've heard stories where people said that they felt as if they lost some HP after installing the Top Speed Pro-1 exhaust. I'm in a dilemma right now. Thanks!
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Terry_G35
G35 Coupe V35 2003 - 07
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09-10-2015 08:17 PM