Hedman Hedders ELITE Hedders; 1-5/8 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design 68298 1991-mazda-mx-6-esi8938686 Flowtech recommends using cast iron

Flowtech recommends using cast iron exhaust manifolds or old heaters to break in a new engines to aviod coating damage

"name": "What drive type does this fastener use

Exhaust System - Race Pro Series - Crossmember-Back - X-Pipe - 2

"name":"What hardware is included with the clamp

Year Make Model Submodel 2002-2006 Acura RSX Base 2006-2011 Honda Civic DX 2006-2011 Honda Civic EX 2009-2011 Honda Civic EX-L 2006-2011 Honda Civic Hybrid 2009-2011 Honda Civic Hybrid-L 2006-2011 Honda Civic LX 2009-2011 Honda Civic LX-S 2004-2006 Honda Civic Si 2011-2015 Honda CR-Z Base 2011-2016 Honda CR-Z EX 2016 Honda CR-Z EX-L 2016 Honda CR-Z LX

Hedman Hedders ELITE Hedders; 1-5/8 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design 68298 1991-mazda-mx-6-esi8938686 Flowtech recommends using cast ironHedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing long and MID LENGTH tube headers for Chevy passenger cars for decades. Each set uses mild steel, smooth flowing, CNC mandrel bent tubes, that are hand welded to ensure each pair is identical to the next. Hedman's unique, gasketless ball and socket collector design allows your Small Block Chevy exhaust system to bolt up, even if it is not