Greddy/TRUST Stainless Steel O2 extension for S13 or S14 SR20DET. TRUST extension separates the wastegate and exhaust flow by adding a divider plate to reduce turbulence in the exhaust stream. The downpipe tunnel outlet measures 2-5/8" which is much bigger than stock.
Unlike all other stainless SR extension knock offs, TRUST unit is that will yield the most power because this is the only ...