GHL,Top Speed,Maxspeed all the same........only street styled exhaust proven to give +5hp on a dyno,almost 1/2 the weight of the OEM muffler BUT resonance.....some people can take it,some can't.
I personally don't find it annoying one bit,but I'm always blasting the radio or have the top down.
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-99' Zenith Blue 5-spd...didn't agree with a center divider on the freeway
-01' S Orient Red Metallic 6-spd...money pit...sold to buy a house
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