SELECTIONS: Products : HEADERS

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  •   THY-114Y
    1972-1987, 318-360, 2/4WD, INCLUDES RAMCHARGERS
    Our Price: $838.00

    DODGE PICKUP AND RAM CHARGER 1972-1987 318-360
    SIMON AND SIMON COULDN'T HAVE ASKED FOR A BETTER HEADER FOR THEIR RAM TRUCK. DESIGNED WITH THICKER TUBING AND A THICKER FLANGE TO ELIMINATE THE RISK OF LEAKS. WITH INCREASED TORQUE AND POWER AS WELL AS INCREASING GAS MILEAGE, WHY LOOK FURTHER, ORDER IT TODAY ON LINE. MADE IN THE USA AND IT INCLUDES A LIMITED LIFETIME WARRANTY....
      THY-114Y-S
    1972-1987, 318-360, 2/4WD, INCLUDES RAMCHARGERS, WITH SMOG RAILS
    Our Price: $881.00

    DODGE PICKUP AND RAM CHARGER 1972-1987 318-360
    SIMON AND SIMON COULDN'T HAVE ASKED FOR A BETTER HEADER FOR THEIR RAM TRUCK. DESIGNED WITH THICKER TUBING AND A THICKER FLANGE TO ELIMINATE THE RISK OF LEAKS. WITH INCREASED TORQUE AND POWER AS WELL AS INCREASING GAS MILEAGE, WHY LOOK FURTHER, ORDER IT TODAY ON LINE. MADE IN THE USA AND IT INCLUDES A LIMITED LIFETIME WARRANTY. THIS SET OF HEADERS COMES STANDARD WITH THE SMOG RAILS....
      THY-124Y
    1974-1980 2WD, 1974-1979 4WD, 383-440, INCLUDES RAMCHARGERS & TRAILDUSTERS
    Our Price: $899.00

    DODGE RAM 1974-1980 2 AND 4 WHEEL DRIVE 383-440
    LONG TUBE TRI Y HEADER DESIGNED TO GIVE YOU BETTER PERFORMANCE THROUGHOUT THE ENTIRE RPM RANGE. IDEAL FOR TRUCK APPLICATIONS WHERE THE MAXIMUM AMOUNT OF POWER IS NEEDED IN THE LOW AND MID RPM RANGE. THESE HEADERS HAVE THICKER FLANGES AND TUBING TO ENSURE YEARS OF RELIABLE SERVICE. MADE IN THE USA WITH A LIMITED LIFETIME WARRANTY...
      THY-109Y
    1974-1980 VAN/MINI MOTORHOME, 440, AUTOMATIC ONLY
    Our Price: $889.00

    DODGE VAN OR CLASS C MOTORHOME 1974-1980 440
    DESIGNED FOR MAXIMUM TORQUE AND HORSEPOWER. UTILIZING THE THORLEY TRI Y DESIGN TO GIVE YOU THE POWER WHERE YOU NEED IT. DESIGNED TO IMPROVE TOWING AND HAULING, WITH THICK FLANGES ELIMINATING THE POSSIBILITY OF LEAKS. MADE IN THE USA WITH A LIMITED LIFETIME WARRANTY....
      THY-105
    1974-1981, 440, CLASS A MOTORHOME, AUTOMATIC ONLY
    Our Price: $781.00

    DODGE CLASS A MOTORHOME 1974-1981 440
    THE PERFECT SOLUTION TO ADDING TORQUE AND HORSEPOWER TO THE BULLET PROOF DODGE 440 MOTOR. BUILT IN THE USA WITH A LIMITED LIFETIME WARRANTY. THESE HEADERS HAVE AN EXTRA THICK FLANGE TO ELIMINATE THE POTENTIAL FOR LAEKING....
      THY-133Y
    1979-1982 2.0L, D50 MONTERO, PLYMOUTH ARROW (MITSUBISHI); 1979-1988 2.6L, D50 (MITSUBISHI), 2/4WD
    Our Price: $437.00

    DODGE D50 MONTERO, PLYMOUTH ARROW 1979-1988 2.0 AND 2.6L
    FOR BOTH THE 2 AND 4 WHEEL DRIVE VERSION, THIS HEADER IS SPECIFICALLY DESIGNED TO IMPROVE LOW TO MID RPM TORQUE AND HORSEPOWER WHILE GIVING OVERALL INCREASED THROTTLE RESPONSE. BUILT IN THE USA WITH A LIMITED LIFETIME WARRANTY....
      THY-504
    1988-1995, 20R/ 22R,RE, 2WD, FUEL-INJECTED, 4:1 HEADER
    Our Price: $429.00

    1988-1995 20R/22R,RE 2WD, FUEL INJECTED

    4 INTO 1 HEADER FOR TOYOTA TRUCKS WITH THE INDESTRUCTABLE 4 CYCLINDER MOTOR. IF YOU ARE LOOKING FOR A WAY TO GET MORE HORSEPOWER AND TORQUE OUT OF THE MOTOR, THIS IS BY FAR THE EASIEST WAY. THESE ARE BUILT IN THE USA WITH A LIMITED LIFETIME WARRANTY. THEY ARE SMOG LEGAL HEADERS
    ...
      THY-309
    2002-2009 TRUCK/SUBURBAN/TAHOE YUKON/AVALANCHE/HUMMER H2,DENALI, ESCALADE, 4.8L-6.2L, 2/4WD, NO SMOG FITTINGS
    Our Price: $597.00

    PICKUPS: ALL, SUBURBAN, TAHOE/ YUKON, AVALANCHE, HUMMER H2, S.S.
    ESCALADE, SUBURBAN, DENALI -SHORTIE
    DIRECT BOLT ON FOR THE FACTORY EXHAUST MANIFOLD. FOR A LITTLE MORE THAN THE COST OF A COLD AIR INTAKE, YOU COULD GET THE REAL PERFORMANCE OF A SET OF HEADERS THAT MOUNT UP EASY AND PRODUCE AN AMAZING AMOUNT OF ADDITIONAL HORSEPOWER AND TORQUE. SMOG LEGAL, BUILT IN THE USA, AND FEATURE A LIMITED LIFETIME WARRANTY
    ...
      THY-117Y
    2004-2005, 5.7L, FULL-SIZE RAM 1500 ONLY, 2/4WD
    Our Price: $858.00

    DODGE RAM 1500 2004-2005 5.7L HEMI
    DO YOUR TRUCK THE JUSTICE OF INSTALLING A SET OF HEADERS WORTHY OF THE HEMI NAME. DOUG THORLEY HEADERS WILL INCREASE HORSEPOWER, TORQUE, AND GAS MILEAGE WHILE ADDING A DEEPER EXHAUST NOTE. MADE IN THE USA THEY INCLUDE A LIMITED LIFETIME WARRANTY. THICKER FLANGES AND TUBING INSURE A LEAK FREE SYSTEM....
      THY-481Y-L-C
    2005-2008 NISSAN 5.6L LONG TUBE HEADER (RACE ONLY)
    Our Price: $935.00

    2005-2008 NISSAN PICK UP OR SUV 5.6 LITER 2 AND 4 WHEEL DRIVE. THIS IS A TRUE TRI Y HEADER THAT HAS BEEN CERAMIC COATED FOR OPTIMUM PERFORMANCE. ENHANCE BOTH THE LOOKS AND PERFORMANCE WITH THIS HEADER. THIS IS A RACE ONLY APPLICATION. BUILT IN THE USA. IT COMES WITH A LIMITED LIFETIME WARRANTY...
      THY-119
    2005-2009 CHARGER, 2005-2007 MAGNUM, 2005-2007 300C, 5.7L, SHORTIE
    Our Price: $697.00

    DODGE CHALLENGER CHARGER MAGNUM 300C 2005-2009 5.7L HEMI
    NOW THAT YOU HAVE THE HOT ROD WITH A HISTORY, WHY NOT ADD A SET OF HEADERS WITH THE SAME. DOUG THORLEY OFFERS A SET OF HEADERS WITH THICKER FLANGES AND TUBING TO MAKE SURE YOUR CAR HAS THE BEST QUALITY HEADERS IN THE BUSINESS. MADE IN THE USA WITH A LIFETIME WARRANTY. WHAT ELSE COULD YOU ASK FOR....
      THY-460Y-C
    2005-2009 NISSAN PICKUP LONG TUBE HEADER (RACE ONLY)
    List Price: $434.00


    2005-2009 2.5L NISSAN PICKUP LONG TUBE HEADER FOR EITHER 2 OR 4 WHEEL DRIVE APPLICATIONS. WHETHER YOU ARE LOOKING FOR TRACK PERFORMANCE OR EXTRA POWER FOR PRERUNNING, THESE LONG TUBES WILL GIVE YOU THE HORSEPOWER AND TORQUE YOU NEED WITH A BIT OF EXTRA FUEL MILEAGE TO BOOT....
      THY-509Y
    2005-2009, 2.7L, TACOMA, WITH AIR INJECTION
    List Price: $441.00


    It's a proven, indisputable fact: Dollar for dollar, no other investment will increase power and performance like a set of Doug Thorley Headers!

    The proof is in the dyno! Our Toyota Tacoma showed a significant increase in horsepower and torque!...
      THY-181-C
    2006-2008 DODGE RAM 1500 5.7L (NO MEGA CAB)
    List Price: $658.00


    SHORT TUBE HEADER DESIGNED SPECIFICALLY FOR THE DODGE RAM WITH THE HEMI. CERAMIC COATED FOR THE ULTIMATE IN PERFORMANCE AND LOOKS. ADD HORSEPOWER, TORQUE AND GAS MILEAGE TO YOUR TRUCK IN A SIMPLE BOLT ON APPLICATION....
      THY-181
    2006-2008 DODGE RAM 1500 HEADER (NO MEGA CABS)
    Our Price: $548.00

    2006-2008 DODGE RAM 1500 HEADERS
    FOR THE 5.7 LITER HEMI. THIS FITS BOTH THE 2 WHEEL DRIVE AND 4 WHEEL DRIVE APPLICATIONS, UNFORTUNATELY NOT THE MEGA CABS. YOU HAVE A SERIOUS TRUCK WITH A MOTOR THAT HAS A LONG HISTORY BEHIND IT. WHY NOT PAIR THE HEMI HERITAGE WITH ANOTHER WORD SYNONYMOUS WITH HORSEPOWER, DOUG THORLEY HEADERS. MADE IN THE USA WITH A LIMITED LIFETIME WARRANTY...
      THY-636-C
    2007-2009 WRANGLER, WRANGLER UNLIMITED, 3.8L, 4WD
    List Price: $542.00
    Our Price: $542.00


    ...
      THY-321Y-C
    2008-2009 CORVETTE Z06 LONG TUBE TRI Y (RACE ONLY)
    Our Price: $1208.00

    2008-2009 CORVETTE Z06 7.0 LS7 LONG TUBE HEADERS. DESIGNED FOR RACING APPLICATIONS TO GIVE YOU THE ULTIMATE HORSEPOWER FROM YOUR CAR. CERAMIC COATED TO KEEP ENGINE COMPARTMENT TEMPERATURES DOWN AS WELL AS LOOKING AMAZING. THESE ARE MADE IN THE USA AND COME WITH A LIMITED LIFETIME WARRANTY...
      THY-123Y-L-C
    2009 DODGE CHALLENGER SRT8 LONG TUBE HEADER
    Our Price: $1162.00

    2009 DODGE CHALLENGER SRT8
    LONG TUBE TRI Y HEADER FOR THE 2009 DODGE CHALLENGER WITH THE SRT8 6.1L HEMI ENGINE. IT COMES STANDARD WITH CERAMIC COATING AND IS SOLD AS A RACE APPLICATION ONLY AND IS NOT STREET LEGAL. MADE IN THE USA WITH A LIMITED LIFETIME WARRANTY


    ...
      THY-182-C
    2009 DODGE RAM 1500 5.7L 2/4WD (NO MEGA CAB)
    Our Price: $658.00

    2009 DODGE RAM 1500
    SHORT TUBE HEADER FOR THE 2009 DODGE RAM WITH THE 5.7 HEMI. SMOG LEGAL AND A DIRECT BOLT IN APPLICATION.ONLY AVAILABLE IN CERAMIC COATING. DOESN'T YOUR HEMI DESERVE THE REPUTATION THAT DOUG THORLEY HAS? MADE IN THE USA WITH A LIMITED LIFETIME WARRANTY
    ...
      THY-123Y1-L-C
    2009-2010 DODGE CHALLENGER 5.7L HEMI
    Our Price: $1189.00

    2009-2010 DIDGE CHALLENGER 5.7L HEMI
    HEADERS DESIGNED FOR A CAR WITH A LONG HISTORY OF RACING. DOUG THORLEY HAS BEEN MAKING HEADERS FOR OVER 50 YEARS. WHY TRUST YOUR NEW RIDE WITH ANYTHING LESS. DESIGNED FOR INCREASED TORQUE AND HORSEPOWER, THESE RACE ONLY HEADERS ARE THE PERFECT MATCH. OFFERED ONLY IN CERAMIC COATING WITH A LIFETIME WARRANTY. MADE IN THE USA...
      THY-336-C
    2010 CHEVY CAMARO / PONTIAC G8 SHORTY HEADER
    List Price: $810.00
    Our Price: $810.00


    2010 CAMARO SHORTY HEADER
    2008-2010 PONTIAC G8

    DIRECT BOLT IN SHORTY HEADER THAT FITS THE 2010 CAMARO WITH THE V8. MADE IN THE USA , SMOG LEGAL, AND STANDARD WITH THE INDUSTRY LEADING CERAMIC COATING TO REDUCE UNDER HOOD TEMPERATURES. THIS IS AN INSTANT WAY TO BOLT HORSEPOWER TO AN ALREADY AMAZING VEHICLE. WILL FIT THE Z28 AS WELL AS THE SS. ALSO LOOK AT OUR LONG TUBE HEADER FOR THIS APPLICATION, PART NUMBER THY-333Y-C...
      THY-338-C
    2010 CHEVY CAMARO 3.6L V6 HEADER
    Our Price: $490.00

    2010 CHEVY CAMARO 3.6L V6 HEADER IS DESIGNED TO IMPROVE PERFORMANCE THROUGHOUT THE POWERBAND. THE V6 CAMARO LEAVES THE PLANT WITH A GREAT AMOUNT OF POWER, BUT ADD A SET OF OUR HEADERS ONTO IT AND REALLY SEE THE POTENTIAL OF THAT MOTOR. THESE ARE MADE IN THE USA AND ARE ONLY AVAILABLE IN CERAMIC COATING. FLANGES ARE 3/8 INCH THICH AND WE USE 14 GUAGE TUBING. THEY COME WITH A LIMITED LIFETIME WARRANTY.



      THY-337Y-C
    2010 CHEVY CAMARO LONG TUBE HEADER
    List Price: $936.00
    Our Price: $936.00


    2010 CAMARO HEADER
    LONG TUBE HEADER FOR THE 2010 CAMARO V8. THESE ARE A LONG TUBE TRI-Y DESIGNED SPECIFICALLY FOR RACING APPLICATIONS ONLY. AVAILABLE ONLY IN CERAMIC COATING TO KEEP UNDER HOOD TEMPERATURES DOWN AND INCREASE PERFORMANCE. MADE IN THE USA WITH A LIMITED LIFETIME WARRANTY...
      THY-515-1-C
    2010 TOYOTA FJ CRUISER 4.0L HEADERS
    Our Price: $493.00

    2010 TOYOTA FJ CRUISER 4.0L HEADERS. A BRAND NEW HEADER FOR THE 2010 FJ CRUISER. TOYOTA REDESIGNED THE HEADS ON THE FJ TO PRODUCE MORE POWER SO WHY NOT ADD MORE WITH A TRUE DOUG THORLEY HEADER. THESE ARE MADE IN THE USA AND COME WITH A LIMITED LIFETIME WARRANTY. SMOG LEGAL TO KEEP YOU OUT OF TROUBLE AND CERAMIC COATED FOR YEARS OF GREAT LOOKS AND TO HELP KEEP THE UNDER HOOD TEMPERATURES DOWN....
      THY-515-L-1-C
    2010 TOYOTA FJ CRUISER 4.0L LONG TUBE HEADER (RACE ONLY)
    Our Price: $737.00

    2010 TOYOTA FJ CRUISER 4.0L LONG TUBE HEADER
    THIS IS A LONG TUBE HEADER DESIGNED FOR RACING APPLICATIONS ONLY. CERAMIC COATED FOR DURABILITY AND TO REDUCE UNDER HOOD TEMPS. IF YOU ARE RUNNING THROUGH BAJA OR ROCK CRAWLING AND EVERYTHING IN BETWEEN, THESE HEADERS ARE WHAT YOU ARE LOOKING FOR. DESIGNED TO GIVE YOU INCREASED PERFORMANCE THROUGHOUT THE POWERBAND WITH HUGE GAINS IN BOTTOM TO MIDRANGE, THESE WILL MAKE A VERY NOTICEABLE IMPROVEMENT. BACKED BY OUR LIMITED LIFETIME WARRANTY AND MADE...
      THY-340-C
    5.3L LS4 FRONT WHEEL DRIVE HEADER 2005-2009 IMPALA SS/ MONTE CARLO/ GRAND PRIX GXP/ LA CROSS
    Our Price: $960.00

    2006-2009 IMPALA SS, 2005-2009 MONTE CARLO, 2005-2008 PONTIAC GRAND PRIX GXP, 2007-2009 BUICK LACROSSE. THIS IS A COMPLETE SHORTY HEADER WITH THE CROSSOVER PIPE. MADE IN THE USA WITH A LIMITED LIFETIME WARRANTY. COMES ONLY IN CERAMIC COATING TO KEEP THE UNDER HOOD TEMPERATURES DOWN AND INCLUDES THE FLEX TUBE FOR YEARS OF DEPENDABLE SERVICE. TURN THAT HOT CAR INTO AN EVEN BETTER PERFORMER WITH OUR HEADERS....
      THY-121-C
    CERAMIC COATED DODGE RAM P/UP 4.7L 2005-2007 SHORTY
    Our Price: $889.00

    DODGE DAKOTA 2005-2007 4.7L
    PUT SOME BARK UNDER THAT HOOD. OUR HEADERS NOT ONLY INCREASE HORSEPOWER BUT INCREASE TORQUE AND INCREASE GAS MILEAGE. BUILT WITH THICKER FLANGES AND TUBING TO TAKE ANYTHING YOU CAN THROW AT THEM. MADE IN THE USA WITH A LIMITED LIFETIME WARRANTY.

    The proof is in the dyno! Our Dodge Dakota had an increase of 19hp and 38ft. lbs. of torque!...
      THY-560Y-C
    CERAMIC COATING, 07-10, 5.7L, 2/4WD, TUNDRA
    List Price: $974.00


    It's a proven, indisputable fact: Dollar for dollar, no other investment will increase power and performance like a set of Doug Thorley Headers!...
      THY-114Y-C
    CERAMIC COATING, 1972-1987, 318-360, 2/4WD, INCLUDES RAMCHARGERS
    Our Price: $944.00

    DODGE PICKUP AND RAM CHARGER 1972-1987 318-360
    SIMON AND SIMON COULDN'T HAVE ASKED FOR A BETTER HEADER FOR THEIR RAM TRUCK. DESIGNED WITH THICKER TUBING AND A THICKER FLANGE TO ELIMINATE THE RISK OF LEAKS. CERAMIC COATED TO REDUCE UNDER HOOD TEMPERATURES, WITH INCREASED TORQUE AND POWER AS WELL AS INCREASING GAS MILEAGE, WHY LOOK FURTHER, ORDER IT TODAY ON LINE. MADE IN THE USA AND IT INCLUDES A LIMITED LIFETIME WARRANTY....
      THY-114Y-S-C
    CERAMIC COATING, 1972-1987, 318-360, 2/4WD, INCLUDES RAMCHARGERS, WITH SMOG RAILS
    Our Price: $987.00

    DODGE PICKUP AND RAM CHARGER 1972-1987 318-360
    SIMON AND SIMON COULDN'T HAVE ASKED FOR A BETTER HEADER FOR THEIR RAM TRUCK. DESIGNED WITH THICKER TUBING AND A THICKER FLANGE TO ELIMINATE THE RISK OF LEAKS. CERAMIC COATED TO REDUCE UNDER HOOD TEMPERATURES WITH INCREASED TORQUE AND POWER AS WELL AS INCREASING GAS MILEAGE, WHY LOOK FURTHER, ORDER IT TODAY ON LINE. MADE IN THE USA AND IT INCLUDES A LIMITED LIFETIME WARRANTY. THIS SET OF HEADERS INCLUDES SMOG RAILS....
      THY-210-C
    CERAMIC COATING, 1973-1979,460 CARB, F250 P/UP
    Our Price: $827.00

    ...
      THY-124Y-C
    CERAMIC COATING, 1974-1980 2WD, 1974-1979 4WD, 383-440, INCLUDES RAMCHARGERS & TRAILDUSTERS
    Our Price: $1004.00

    DODGE RAM 1974-1980 2 AND 4 WHEEL DRIVE 383-440
    LONG TUBE TRI Y HEADER DESIGNED TO GIVE YOU BETTER PERFORMANCE THROUGHOUT THE ENTIRE RPM RANGE. IDEAL FOR TRUCK APPLICATIONS WHERE THE MAXIMUM AMOUNT OF POWER IS NEEDED IN THE LOW AND MID RPM RANGE. THESE HEADERS HAVE THICKER FLANGES AND TUBINGAS WELL AS BEING CERAMIC COATED TO ENSURE YEARS OF RELIABLE SERVICE. MADE IN THE USA WITH A LIMITED LIFETIME WARRANTY
    ...
      THY-109Y-C
    CERAMIC COATING, 1974-1980 VAN/MINI MOTORHOME, 440, AUTOMATIC ONLY
    Our Price: $994.00

    DODGE VAN OR CLASS C MOTORHOME 1974-1980 440
    DESIGNED FOR MAXIMUM TORQUE AND HORSEPOWER. UTILIZING THE THORLEY TRI Y DESIGN TO GIVE YOU THE POWER WHERE YOU NEED IT. DESIGNED TO IMPROVE TOWING AND HAULING, WITH THICK FLANGES ELIMINATING THE POSSIBILITY OF LEAKS. CERAMIC COATING TO REDUCE UNDER HOOD TEMPERATURES. (THIS MEANS YOUR LEG WILL NOT ROAST AGAINST THE DOG HOUSE COVER.) MADE IN THE USA WITH A LIMITED LIFETIME WARRANTY....
      THY-105-C
    CERAMIC COATING, 1974-1981, 440, CLASS A MOTORHOME, AUTOMATIC ONLY
    Our Price: $931.00

    DODGE CLASS A MOTORHOME 1974-1981 440
    THE BEST HEADER FOR THE DODGE MOTORHOME EQUIPPED WITH THE 440. IMPROVED TORQUE AND HORSEPOWER WILL HELP PULL THE HILLS AND INCREASE GAS MILEAGE. CERAMIC COATED FOR YEARS OF DEPENDABILITY AND REDUCED UNDER HOOD TEMPERATURES. LIMITED LIFETIME WARRANTY AND MADE IN THE USA
    ...
      THY-133Y-C
    CERAMIC COATING, 1979-1982 2.0L, D50 MONTERO, PLYMOUTH ARROW (MITSUBISHI); 1979-1988 2.6L, D50 (MITSUBISHI), 2/4WD
    Our Price: $531.00

    DODGE D50 MONTERO, PLYMOUTH ARROW 1979-1988 2.0 AND 2.6L
    FOR BOTH THE 2 AND 4 WHEEL DRIVE VERSION, THIS HEADER IS SPECIFICALLY DESIGNED TO IMPROVE LOW TO MID RPM TORQUE AND HORSEPOWER WHILE GIVING OVERALL INCREASED THROTTLE RESPONSE. BUILT IN THE USA WITH A LIMITED LIFETIME WARRANTY. CERAMIC COATING REDUCES UNDER HOOD TEMPERATURES....
      THY-117Y-C
    CERAMIC COATING, 2004-2005, 5.7L, FULL-SIZE RAM 1500 ONLY, 2/4WD
    Our Price: $964.00

    DODGE RAM 1500 2004-2005 5.7L HEMI
    DO YOUR TRUCK THE JUSTICE OF INSTALLING A SET OF HEADERS WORTHY OF THE HEMI NAME. DOUG THORLEY HEADERS WILL INCREASE HORSEPOWER, TORQUE, AND GAS MILEAGE WHILE ADDING A DEEPER EXHAUST NOTE. MADE IN THE USA THEY INCLUDE A LIMITED LIFETIME WARRANTY. THICKER FLANGES AND TUBING INSURE A LEAK FREE SYSTEM AND CERAMIC COATING WILL REDUCE UNDER HOOD TEMPERATURES....
      THY-119-C
    CERAMIC COATING, 2005-2009 CHARGER, 2005-2007 MAGNUM, 2005-2007 300C, 5.7L, SHORTIE
    Our Price: $788.00

    DODGE CHALLENGER CHARGER MAGNUM 300C 2005-2009 5.7L HEMI
    NOW THAT YOU HAVE THE HOT ROD WITH A HISTORY, WHY NOT ADD A SET OF HEADERS WITH THE SAME. DOUG THORLEY OFFERS A SET OF HEADERS WITH THICKER FLANGES AND TUBING TO MAKE SURE YOUR CAR HAS THE BEST QUALITY HEADERS IN THE BUSINESS. MADE IN THE USA WITH A LIFETIME WARRANTY. WHAT ELSE COULD YOU ASK FOR....
      THY-509Y-C
    CERAMIC COATING, 2005-2009, 2.7L, TACOMA, WITH AIR INJECTION
    List Price: $554.00


    It's a proven, indisputable fact: Dollar for dollar, no other investment will increase power and performance like a set of Doug Thorley Headers!

    The proof is in the dyno! Our Toyota Tacoma showed a significant increase in horsepower and torque!...
      THY-515-C
    CERAMIC COATING, 2005-2010 TACOMA/X-RUNNER/FJ CRUISER, 4.0L, 2/4WD, WELD-ON
    List Price: $493.00


    It's a proven, indisputable fact: Dollar for dollar, no other investment will increase power and performance like a set of Doug Thorley Headers!

    The proof is in the dyno! Our FJ Cruiser gained 18hp and 26ft. lbs. of torque! ...
      THY-515-L-C
    CERAMIC COATING, 2005-2010, TACOMA/X-RUNNER/FJ CRUISER, 4.0L, 2/4WD, TACOMA, X-RUNNER, LONG-TUBE, OFF-ROAD USE ONLY
    Our Price: $737.00

    Building an off road truck or a short course racer? This is the header for you. It is our famous long tube try y header that gives you unbelievable power and torque. We use our Dyno Jet Dyno while testing, but you will even feel it with your seat of the pants dyno!!!

    The proof is in the dyno! Our FJ Cruiser gained 18hp and 26ft. lbs. of torque!

    NOTE: This is for off-road use only!


      THY-310Y-1-C
    CERAMIC COATING, 2006-2009, TRUCK/SUBURBAN/TAHOE/YUKON, 4.8L-6.2L, 2/4WD, OFF-ROAD ONLY (NO SMOG FITTINGS)
    List Price: $829.00
    Our Price: $829.00


    PICKUPS: ALL, SUBURBAN, TAHOE/ YUKON, NO SMOG FITTINGS LONG TUBE, THESE ARE CERAMIC COATED...
      THY-324Y-C
    CERAMIC COATING, LS-1 SWAP 1967-72 CHEVY TRUCK
    Our Price: $880.00

    1967-1972 CHEVROLET PICKUPS, SUBURBAN
    STICK AND AUTO TRANSMISSION, CERAMIC COATING AND OUR WORLD FAMOUS TRI Y DESIGN. THE PERFECT HEADER FOR YOUR LS SWAP INTO THE EARLY MODEL CHEVY PICKUP. THESE HEADERS ARE MADE IN THE USA AND COME WITH A LIMITED LIFETIME WARRANTY...
      THY-100-400-C
    HONDA FIT HEADER 2007-2009 1.5L
    Our Price: $427.00

    2007-2009 HONDA FIT 1.5L HEADER
    DESIGNED FOR SERIOUS PERFORMANCE WITH QUALITY AND DEPENDABILITY. UNLIKE THE OFF SHORE HEADERS, THE DOUG THORLEY LINE OF HEADERS IS DESIGNED TO BE THE LAST HEADER YOU WILL EVER NEED FOR YOUR VEHICLE. CERAMIC COATED TO KEEP UNDER HOOD TEMPERATURES DOWN AND TO LOOK AWESOME. THIS IS A RACE ONLY APPLICATION AND IT COMES WITH A LIMITED LIFETIME WARRANTY. MADE IN THE USA...
      THY-333Y-C
    PONTIAC G8 GT TRI Y LONG TUBE
    Our Price: $936.00

    2008-2009 PONTIAC G8 LONG TUBE TRI Y HEADER STANDARD WITH CERAMIC COATING, USED FOR RACE APPLICATIONS ONLY. MADE IN THE USA
    ...
      THY-801-C
    SMART CAR HEADER (RACE ONLY)
    Our Price: $338.00

    2008-2009 SMART CAT RACE HEADERTHATS RIGHT, A HEADER FOR THE NEW SMART CAR!
    A DIRECT BOLT ON FOR THIS CAR THAT ADDS AN AMAZING AMOUNT OF HORSEPOWER (6) TO THE CAR. CERAMIC COATING GUARANTEES THAT THE ENGINE HEAT WILL NOT PENETRATE THE ENGINE COVER AND ENTER THE DRIVERS AREA. A MUST FOR ANY SMART CAR ENTHUSIAST. BUILT IN THE USA...
      THY-560Y-L-C
    TOYOTA TUNDRA LONG TUBE HEADER
    Our Price: $986.00

    2007-2009 TOYOTA TUNDRA 5.7 2/4WD
    Another break through for Doug Thorley Headers for you people with the Toyota Tundra. We have developed a long tube header with some amazing results. Take a look at our dyno and the vidoe and see what potential there is in that motor once you unleash the beast with our headers. Made in the USA and are a race only product.

    ...

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    March 13, 2009

    PSCA Racing at the Auto Club Dragway

    The Pacific Street Car Association will be racing the weekend of June 13-15th at the Auto Club Dragway in Fontana...













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