Doug Thorley Headers

Doug Thorley Headers

THY-320-C / 1967-1969 Camaro / 1968-1974 Nova LS series Motor Swap 4.8L-6.2L (1-7/8" Stepped Header)

Doug Thorley Headers

83206-B / Performance Mid-pipes 2005-2016 Nissan Frontier / Xterra / Pathfinder 4.0L V6

Doug Thorley Headers

THY-564Y-LS-C / 2003-2004 Toyota 4Runner / Lexus GX470 4.7L 2/4 wd Long Tubes w/02 Extensions

Doug Thorley Headers

THY-359Y-C / 1978-1988 GM G-Body 4.8L-6.2L LS Motor Swap Tri-Y Headers with Adapters

Doug Thorley Headers

THY-335Y-C / 1962-1967 Chevy 11/Nova LS Motor Swap 4.8L-6.2L (Aftermarket Front Clip with Front Steering Only)

Doug Thorley Headers

89253 / Performance Y-Pipes, 2003-2004 Toyota 4Runner / Lexus GX470, 4.7L (Off Road/Race Use Only)

Doug Thorley Headers

THY-561-SS-C / 1998-2004 Toyota Land Cruiser 100 Series / Lexus LX470 4.7L Short Tube Headers

Doug Thorley Headers

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

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-288Y-C / Tri-Y Headers with Adapters 1964-1966 Ford Mustang 351W Motor Swap

Doug Thorley Headers

THY-360Y-C / 1955-1960 Chevy/GM 3100 Series Trucks - LS Swap Tri-Y Headers 4.8L-6.2L

Doug Thorley Headers

THY-346-C / 1964-1967 Chevy Chevelle 4.8L-6.2L LS Motor Swap 4-1 Mid-Length Headers

Doug Thorley Headers

THY-364Y-C / 1973-1987 GM Pickup Truck 265-400cu in 4WD (no y-pipe)

Doug Thorley Headers

THY-700Y-SS / 1984-95 Suzuki Samurai 1.3L-1.6L 8 valve (T304 stainless steel)

Doug Thorley Headers

THY-347-C / 1968-1974 LS Motor Swap, Chevelle / El Camino

Doug Thorley Headers

THY-312 /2001-2011 Chevy/GM 8.1L Motorhome (W-Series Chassis) Long Tube Headers