-100% U.S. stainless steel
-100% hand tig welded
-U.S. v-band flanges
-2'' primaries
-Velocity spike
-Conical merge collector
-Hand ported flanges for a perfectly smooth transition
-longest primaries on the market
-OEM GM gaskets included
-02 extensions included
-Needed clamps for rear connections included
-Independent dyno test showed gains of 33 RWHP and 26 Ft/lb tq w/ the only tuning being correcting AFR's, no changing of timing at all.
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