All

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

THY-340-C / 2006-2009 Impala SS Monte Carlo SS /05-08 Pontiac Grand Prix FXP 07-09 Buick Lacrosse 5.3L

Doug Thorley Headers

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

Doug Thorley Headers

THY-465-L-C / 1998-2004 Nissan Frontier Pathfinder Xterra 3.0L-3.3L 2/4wd

Doug Thorley Headers

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

Doug Thorley Headers

89227 / Performance Mid-pipes with Resonators 2005-2015 Toyota Tacoma 4.0L V6 (Off Road "Race" Use Only)

Doug Thorley Headers

89228 / Performance Mid-pipes with Resonators 2007-2016 Toyota FJ Cruiser / 4Runner 4.0L V6(Off Road/Race Use Only)

Doug Thorley Headers

THY-151-C / Long Tube Headers with Adapters 1968-1974 Charger / Coronet / Super Bee / Road Runner / Satellite / GTX 1970-1974 Challenger / Cuda 361-440 V8 (non Hemi)

Doug Thorley Headers

THY-322Y-C / 1961-1966 (& 1987-1991) Chevy/GM Truck - LS Swap Long Tube TRI-Y Headers 4.8L-6.2L

Doug Thorley Headers

THY-323Y-C / 1967-1987 Chevy/GMC Truck - LS Swap Long Tube TRI-Y Headers 4.8L-6.2L

Doug Thorley Headers

THY-361-C / 1961-1964 Chevy Impala - LS Engine Swap Headers 4.8L-6.2L

Doug Thorley Headers

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

Doug Thorley Headers

THY-309-1-C / Universal LS Motor Swap Short Tube Headers 4.8L-6.2L (Rear Swept Exit)

Doug Thorley Headers

THY-324Y-C / 1967-1972 GM C10 Pickup Truck LS Series Motor Swap 4.8L-6.2L (1-5/8" Primary Tubes)

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-358Y-C / 1955-1957 Chevy Bel Air / Nomad / 210 LS Swap Tri-Y Headers 4.8L-6.2L