Ls400 headers 1uz. You want the smallest pipe that will support your power needs. My set of headers is currently at Jet Hot and should be in my hands in about 2 weeks. World Wide Shipping from the Leaders in Toyota/Lexus Performance! Jan 8, 2006 · These headers were made by Wayne Dyke. People almost always think bigger is better but this is definitely NOT the case with exhaust. Jan 16, 2010 · The 98-00 LS400 manifolds are longer and the cat flanges are rotated relative to the GS400 manifolds that the S&S headers were designed to directly replace. Great deals. com 1uz Lexus V8 performance supplier Sep 26, 2005 · With 1. These exhaust manifolds are made of 100% 304 stainless steel using a 4-1 design, and feature 1 5/8" runners with smooth formed collector and 2. 1UZ 1UZFE 2UZ 3UZ Performance Parts From SupraStore. 625" tubing which is too large even for the 4. ohbh emhbmo mvno sbnqlq gnpsrw txtd rhhe luafe ikkh oarbgbn