Exhaust Manifold that completely replaces the original, keeping the attack of the oxygen sensor. Must be fitted in pairs.
Complete with nuts and studs for high temperatures.
For the realization of this manifold are used in industrial CNC tube bending and welding with TIG technology with gas to prevent internal sbrodolature.
In fact, if the pipes are dripping inside, these exclusion may cause the detachment of pieces of welded material can cause damage to the turbocharger.
Our collector welds only where strictly necessary.
Stainless steel exhaust manifold BMW E36 1800 aspirated 4-2-1 stainless steel type 4-2-1 as a replacement, of the entire complete manifold which reaches almost to the center.