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HKS Stainless Equal Length Exhaust Manifold 2004-2018 STI Private MFG Exhaust Manifold with Up Pipe - 02-14 WRX / 04-17 STI aFe Twisted Steel Header 2002-2014 WRX / 2004-2020 STI
Includes Gaskets Manifold with Up Pipe and Gaskets 100% Tig Welded
Tomei Equal Length Manifold and Up Pipe 02-14 WRX / 04-20 STI Tomei Unequal Length Manifold and Up Pipe 02-14 WRX / 04-20 STI MAP SUBARU 4-1 EQUAL LENGTH HEADER 2004-2018 SUBARU STI
Includes Up Pipe, Wrap, Gaskets Includes Up Pipe, Wrap, Gaskets High Quality Proven Results
MAP Subaru 4-1 Equal Length Header (04 - 18 STi) Perrin Equal Length Header 1.5 inch Primaries 02-14 WRX / 04-17 STI Perrin Big Tube 1.625" Primaries (Big Tube) Equal Length Header 02-14 WRX / 04-17 STI
100% Made in the USA New Design 1.625" Primaries for High Power
Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt 02-14 WRX / 04-17 STI Killer B Equal Length 4-1 Holy Header 02-14 WRX / 04-17 STI Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt SwainTech Ceramic Coating 02-14 WRX / 04-20 STI
Made in USA Made in USA With Coating
Killer B Equal Length 4-1 Holy Header w/ EWG 02-14 WRX / 04-20 STI
Made in USA