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Doug Thorley Headers

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

Doug Thorley Headers

89230 / 2005-2009 Toyota 4Runner Lexus GX470 - 4.7L (T304SS Off Road "Race" Use Only)

Doug Thorley Headers

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

Doug Thorley Headers

HDX-634Y / Stainless Steel Tri-Y Header 1991-99 Jeep Wrangler / Cherokee / Grand Cherokee, 4.0L H/O

Doug Thorley Headers

HDX-635 / 2000-2006 Jeep Wrangler / Cherokee / Grand Cherokee 4.0L H/O, 6:2 Short Tube Header (Off Road/Race Use Only)

Doug Thorley Headers

THY-214Y-FI2-C / 1988-1992 Ford class A motorhome F250/F350 pickup truck 460 F.I.2/4 wd (NO SMOG FITTINGS)

Doug Thorley Headers

THY-306Y1-C / 1987-1994 GM Class A Motorhome with Turbo 400 Trans 366-454

Doug Thorley Headers

THY-325-C / Sandrail LS Motors 4.8L-6.2L with Bombshell Muffler

Doug Thorley Headers

THY-328-C / Sandrail Rear Exit LS Motors 4.8L-6.2L

Doug Thorley Headers

THY-330Y-C / 1947-1954 Chevy Series Pickup LS Series Motor Swap 4.8L-6.2L (1-3/4"Primary Tubes)

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

THY-338-C / 2010-2011 Chevy Camaro 3.6L V6

Doug Thorley Headers

THY-339Y-C / 2010-2014 Chevy Camaro SS 6.0L-6.2L V8 (RACE Use Only 1-7/8" Primary Tubes)

Doug Thorley Headers

THY-344Y-C / 2009-2012 Chevy Colorado / Canyon 5.3L V8 Long Tube Tri-Y Headers (2WD Only)

Doug Thorley Headers

THY-352Y-L-C / 2014-2019 Chevy Silverado / GMC Sierra 5.3L - 6.2L V8 Long Tube Tri-Y Headers

Doug Thorley Headers

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