SBC Exhaust
#2
I have emi thunder exhaust. its all aluminum and I looked inside and it has individual tuned runners inside, real smooth, like shorty headers. I have used in the past; sierra "semi tuned" with 4 inch risers and they are far better than the sock ones, but I have no data on the gains for either set
#3
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www.diamondperformanceparts.com
[email protected]
http://www.facebook.com/pages/Diamon...07878772615803
302-521-0123
The Best Parts & Service At The Best Price