Straightline Motorsports K20/K24 Side Winder Manifold. Fabricated from 304 Stainless Steel Sch 40 pipe, all professionally tig welded and backed by lifetime warranty against cracking. All of the manifolds are back purged for the strongest, cleanest welds possible. Each of the manifolds are hand ported to ensure maximum flow, and all surfaces are milled so that there is no room for leakage.
 
These manifolds are built to accommodate up to a GT42 style turbo. Single 60mm waste gate flange will keep your boost under control. We also offer downpipe and dump tubes to go along with these manifolds. 
Please allow 7-8 Week maximum to fabricate and ship.
 
Will fit Both AWD and FWD Non Lean
Back Purged for the strongest welds possible
Fabricated from 304 Stainless Steel sch 40 tubes
T4 inlet flange
Single 60mm wastegate flange
Backed by lifetime warranty against cracking