I went to dumps about two years ago. If i remember correctly i gained around a tenth from it. Hey, I say do it! Car looks cleaner in the back IMO and yes you have more room for other things too!
Take care, JOe.
Where abouts are you in NC? I live near smithfield. Mabye we can get together sometime.
did anyone dyno before and after to see what kinda of numbers gained? i was kinda considering goin with dumps so i can fit a wider wheel and tire......if i can gain performance too, then its a no brainer!!!
I have had mine dumped for a while now. Never had any problems with fumes inside the car. Put a couple of 45 degree turndowns, angled outward and you should be fine.
We've dyno'd my dad's 91GT with tail pipes and with dumps and there was NO difference on his car, we've also run it both ways at the track... it may be different on each car, but his put down 323RWHP NA and it did nothing to help him.
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