Cylinder head exhaust

Nix

Jötunn Moderator
10,765
8,162
Lew-vul, KY
Body Style
It's A Fast Pig!
Bahahahaha Webby......

 

MakoSi12

Well-Known Member
20
10
Canton,ohio
Vehicle Model
Civic si
Body Style
coupe
So far i seen from the header posting from 3in vs 2.5in catless the rv6 2.5in makes 13hp /11tq all around then s2 3in 3-4 hp at top, rv6 make 13hp at top
 
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