Quote:
Originally Posted by
NickW909
I'm by no means an expert, but I'll have a stab at this one.......
1, Makes the engine flow better (normally combined with air filter/fuelling mods) = a little more HP
2, Reduce weight
3, Nicer/louder sound
Nick.
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I would add safer to #3 (lets other road users know you are there)
4, Bling