Bolts directly to the original Nissan 3-bolt exhaust manifolds and adds a flex coupling to reduce vibration.
 
Available in stock 1.75" - for R16, and  2" - for U20/R-stroker engines.
 
All US production, Stainless  Steel.
 
 
NOTE:  This version is not for the early-'64-'67 "clamp style" factory manifolds or aftermarket headers.   
 
Photos are temporary placeholders; new photos to follow.