Okay I got the topspeed axle back installed and I can say it's a night and day difference.. still has some rasp but not as bad as before. I say a 75% percent improvement. It's very loud and aggressive as well. But I can live with this vs nismo.. I will be adding the 10 inch resonators Monday and hopefully that will eliminate 95% of the rasp and tone it done a little bit. I think lll get the perfect sound that I'm looking for Monday with the resonators.. Will see to be continued...
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