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Doug Thorley Headers

THY-214Y-FI1-S-C / 1988-92 Ford class A motorhome F250/F350 pickup truck 460 F.I.2/4 wd (w/smog fittings)

Doug Thorley Headers

THY-214Y-FI3-C / 1993-5-95 Ford class C motorhome 460 F.I.(with air injection) (NO SMOG FITTINGS)

Doug Thorley Headers

THY-214Y-FI4-C / 1993-5-95 Ford class A motorhome 460 F.I.(with air injection) (NO SMOG FITTINGS)

Doug Thorley Headers

THY-214Y-FI4-S-C / 1993-1995 Ford class A motorhome 460 F.I.(with air injection) (W/SMOG FITTINGS)

Doug Thorley Headers

THY-214Y-FI5-C / 1993-1995 Ford F250/350 pickup truck 460 F.I.(with air injections) (NO SMOG FITTINGS)

Doug Thorley Headers

THY-214Y-FI5-S-C / 1993-1995 Ford F250/350 pickup truck 460 F.I.(with air injections) (W/SMOG FITTINGS)

Doug Thorley Headers

THY-214Y-FI6-C / 1996-1997 Ford F250/350 pickup truck 460 F .I. 2/4 wd (NO SMOG FITTINGS)

Doug Thorley Headers

THY-214Y-FI6-S-C / 1996-1997 Ford F250/350 pickup truck 460 F .I. 2/4 wd (W/SMOG FITTINGS)

Doug Thorley Headers

THY-470-L-C / 2005-2016 NISSAN FRONTIER, PATHFINDER, XTERRA, EQUATOR, NAVARA / 4.0L/2/4WD (RACE USE ONLY)

Doug Thorley Headers

THY-505-C / 1988-1995 Toyota Truck 4 Runner Long Tube Headers 3.0L (4WD)

Doug Thorley Headers

THY-507-C / 1995-2004 Toyota Tacoma / 1995-2002 4Runner / 2000-04 Tundra 3.4L Headers w/ Y-pipe

Doug Thorley Headers

THY-509Y-C / 2005-2019 Toyota 2.7L Tacoma / 4Runner / Prado / Hilux Tri-Y Header

Doug Thorley Headers

THY-515-LS-C / 2005-2011 Toyota Tacoma / 07-12 FJ Cruiser 4.0L T304 Long Tube Headers

Doug Thorley Headers

THY-563-SS-C / 2005-2009 Toyota 4Runner / Lexus GX470 4.7L Short Tube Headers

Doug Thorley Headers

THY-563Y-LS-C / 2005-2009 Toyota 4Runner/ Lexus GX470 4.7L Stainless Steel Long Tube Tri-Y Headers

Doug Thorley Headers

THY-564-SS-C / 2003-04 Toyota 4Runner / Lexus GX470 4.7L Short Tube Headers