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The aFe Twisted Steel header and exhaust package is a bolt-on performance system for 2011–2015 GM diesel trucks with the 6.6L V8 LML engine. Constructed from mandrel-bent 304 stainless steel (.120" wall on headers and up-pipes), it uses optimized tube lengths, mitered collectors, CNC-machined flanges and 4" interlock flex pipes. EGT ports are included and factory mounting locations are retained for a leak-free installation.
aFe Twisted Steel Headers Up-Pipes & Down-Pipe 11-15 GM Diesel Trucks V8-6.6L (td) LML
