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Cat-Back Exhaust System Parts - Doug Thorley Headers

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Doug Thorley Headers Overview:

WE ARE STILL A 100% AMERICAN MADE PRODUCT, WHICH IS PRODUCED AT OUR FACTORY IN CORONA, CALIFORNIA. OUR GOAL, AS EVER, IS THE MAXIMIZING OF TORQUE AND HORSEPOWER GAINS AND WE WILL CONTINUE THIS TIME HONORED TRADITION AS WE MOVE INTO THE FUTURE. ALL OF US AT DOUG THORLEY HEADERS THANK ALL OF OUR CUSTOMERS FOR YOUR CONTINUED SUPPORT OVER THE YEARS AND FOR RECOGNIZING THAT OUR HEADERS AND EXHAUST SYSTEMS, DOLLAR FOR DOLLAR, ARE THE VERY BEST VALUE IN THE INDUSTRY.

Exhaust Subcategories

Crossover and Y-Pipes
- Exhaust Crossover Pipe Extension (883)
- H-Pipe (86)
- X-Pipe (223)
- Y-Pipe (454)
EGR System
- EGR Block-off Plate (5)
- EGR Gasket (104)
- EGR Vacuum Solenoid (32)
- EGR Valve (970)
- EGR Valve Spacer Plate (20)
Exhaust Accessories
- Exhaust Clamp (407)
- Exhaust Collector Flange (21)
- Exhaust Cutout (111)
- Exhaust Flange (56)
- Exhaust Flange Gasket (527)
- Exhaust Hanger (353)
- Exhaust Header Reducer (114)
- Exhaust Heat Shield (44)
- Exhaust Insulation (405)
- Exhaust Mount (72)
- Exhaust Pipe Adapter (184)
- Exhaust Pipe Install Kit (10)
- Exhaust Silencer (47)
- Flex Joint (31)
- Header Bolt (431)
- Header Gasket (1,354)
- Header Install Kit (9)
- Oxygen Sensor Bung (18)
- Oxygen Sensor Bung Plug (14)
Exhaust Electronics
- Exhaust Temperature Probe (1)
- Oxygen Sensor (4,266)
- Oxygen Sensor Wire Harness Extension (38)
Exhaust System Components
- Catalytic Converter (5,634)
- Catalytic Converter Replacement Pipe (88)
- Exhaust Flame Thrower Kit (2)
- Exhaust Insert (36)
- Exhaust Intermediate Pipe (610)
- Exhaust Pipe (2,661)
- Exhaust Pipe Rain Cap (27)
- Exhaust Pipe Spout and Turn Down (230)
- Exhaust Resonator (501)
- Exhaust Side Pipe (34)
- Exhaust Smoke Screen Kit (1)
- Exhaust Smoke Screen Replacement Cartridge (1)
- Exhaust Tip (1,492)
- Exhaust Tubing Alignment Weld Sleeve (10)
- Front Pipe (252)
- Muffler (6,975)
- Muffler Disc Only Kit (3)
- Muffler Heat Shield (10)
- Muffler Repack Kit (6)
- Muffler Replacement Core (18)
- Muffler Replacement Disc Pack (8)
- Muffler Replacement Disc Screw Kit (4)
- Muffler Replacement End Cap (18)
Exhaust Systems
- Axle-Back Exhaust System (251)
- Cat-Back Exhaust System (7,923)
- Complete Exhaust System (760)
- Exhaust Brake System (109)
- Exhaust Stack System (28)
- Turbo-Back Exhaust System (330)
Header, Manifold, and Downpipe
- Exhaust Collector Flange (21)
- Exhaust Collector Gasket (158)
- Exhaust Header (9,714)
- Exhaust Header Collector (579)
- Exhaust Manifold (773)
- Exhaust Manifold Gasket (1,468)
- Exhaust Manifold/Header Flange (555)
- Turbo Downpipe (195)
- Turbo Manifold (78)
- Turbocharger Flange (125)

previous 1 2 Next > Results 1 - 20 of 28

Doug Thorley Jardine Cat-Back Exhaust Systems Exhaust System - Cat-Back - Aluminized Steel - Toyota - 4Runner - Kit

Brand: Doug Thorley Headers

Part #: 89205

These Doug Thorley Jardine cat-back systems are a great addition to your Doug Thorley headers. Your horsepower torque and fuel economy will increase with these 50-state smog-legal exhaust systems. They produce a powerful throaty sound outside... more

Starting At
$324.95

+ Add To List

Doug Thorley Jardine Cat-Back Exhaust Systems Exhaust System - Cat-Back - Aluminized Steel - Ford - F-250 - F-350 Super Duty Pickup - Kit

Brand: Doug Thorley Headers

Part #: 86229

These Doug Thorley Jardine cat-back systems are a great addition to your Doug Thorley headers. Your horsepower torque and fuel economy will increase with these 50-state smog-legal exhaust systems. They produce a powerful throaty sound outside... more

Starting At
$350.00

+ Add To List

Doug Thorley Jardine Cat-Back Exhaust Systems Exhaust System - Cat-Back - Aluminized Steel - Ford - F-250 - F-350 Pickup - Kit

Brand: Doug Thorley Headers

Part #: 86215

These Doug Thorley Jardine cat-back systems are a great addition to your Doug Thorley headers. Your horsepower torque and fuel economy will increase with these 50-state smog-legal exhaust systems. They produce a powerful throaty sound outside... more

Starting At
$308.00

+ Add To List

Doug Thorley Jardine Cat-Back Exhaust Systems Exhaust System - Cat-Back - Aluminized Steel - Chevy - GMC - C - K-Series Suburban - Kit

Brand: Doug Thorley Headers

Part #: 85208

These Doug Thorley Jardine cat-back systems are a great addition to your Doug Thorley headers. Your horsepower torque and fuel economy will increase with these 50-state smog-legal exhaust systems. They produce a powerful throaty sound outside... more

Starting At
$369.95

+ Add To List

Doug Thorley Jardine Cat-Back Exhaust Systems Exhaust System - Cat-Back - Aluminized Steel - Chevy - GMC - C - K-Series Pickup - Kit

Brand: Doug Thorley Headers

Part #: 85234

These Doug Thorley Jardine cat-back systems are a great addition to your Doug Thorley headers. Your horsepower torque and fuel economy will increase with these 50-state smog-legal exhaust systems. They produce a powerful throaty sound outside... more

Starting At
$374.95

+ Add To List

Doug Thorley Jardine Cat-Back Exhaust Systems Exhaust System - Cat-Back - Aluminized Steel - Chevy - GMC - Tahoe - Yukon - Kit

Brand: Doug Thorley Headers

Part #: 85250

These Doug Thorley Jardine cat-back systems are a great addition to your Doug Thorley headers. Your horsepower torque and fuel economy will increase with these 50-state smog-legal exhaust systems. They produce a powerful throaty sound outside... more

Starting At
$374.95

+ Add To List

Doug Thorley Jardine Cat-Back Exhaust Systems Exhaust System - Cat-Back - Aluminized Steel - Ford - F-250 Pickup - F-250 - F-350 Super Duty Pickup - Kit

Brand: Doug Thorley Headers

Part #: 86219

These Doug Thorley Jardine cat-back systems are a great addition to your Doug Thorley headers. Your horsepower torque and fuel economy will increase with these 50-state smog-legal exhaust systems. They produce a powerful throaty sound outside... more

Starting At
$369.95

+ Add To List

Doug Thorley Jardine Cat-Back Exhaust Systems Exhaust System - Cat-Back - Aluminized Steel - Ford - Explorer - Kit

Brand: Doug Thorley Headers

Part #: 86222

These Doug Thorley Jardine cat-back systems are a great addition to your Doug Thorley headers. Your horsepower torque and fuel economy will increase with these 50-state smog-legal exhaust systems. They produce a powerful throaty sound outside... more

Starting At
$344.95

+ Add To List

Doug Thorley Jardine Cat-Back Exhaust Systems Exhaust System - Cat-Back - Aluminized Steel - Ford - Mercury - Explorer - Mountaineer - Kit

Brand: Doug Thorley Headers

Part #: 86223

These Doug Thorley Jardine cat-back systems are a great addition to your Doug Thorley headers. Your horsepower torque and fuel economy will increase with these 50-state smog-legal exhaust systems. They produce a powerful throaty sound outside... more

Starting At
$439.95

+ Add To List

Doug Thorley Jardine Cat-Back Exhaust Systems Exhaust System - Cat-Back - Aluminized Steel - Chevy - GMC - C - K-Series Suburban - Kit

Brand: Doug Thorley Headers

Part #: 85205

These Doug Thorley Jardine cat-back systems are a great addition to your Doug Thorley headers. Your horsepower torque and fuel economy will increase with these 50-state smog-legal exhaust systems. They produce a powerful throaty sound outside... more

Starting At
$430.00

+ Add To List

Doug Thorley Jardine Cat-Back Exhaust Systems Exhaust System - Cat-Back - Aluminized Steel - Toyota - T100 - 3.4L - V6 - Kit

Brand: Doug Thorley Headers

Part #: 89213

Starting At
$324.95

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CATBACK EXHAUST SYSTEM

Brand: Doug Thorley Headers

Part #: 87232

Doug Thorley Single Exit Exhaust System fits: 2003 Dodge Ram, Doug Thorley Single Exit Exhaust System. Doug Thorley Single Exit Exhaust System, Doug Thorley Exhaust, Cat Back, Single Exhaust System, Doug Thorley Headers.

Starting At
$159.00

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CATBACK EXHAUST FORD 7.4L

Brand: Doug Thorley Headers

Part #: 86216

Doug Thorley Single Exit Exhaust System fits: 1994-1997 Ford F-350, 1994-1997 Ford F-250, Doug Thorley Single Exit Exhaust System. Doug Thorley Single Exit Exhaust System, Doug Thorley Exhaust, Cat Back, Single Exhaust System, Doug Thorley Headers.

Starting At
$369.95

+ Add To List

CATBACK EXHAUST SYSTEM

Brand: Doug Thorley Headers

Part #: 85249

Doug Thorley Single Exit Exhaust System fits: 1988-1993 GMC C/K 3500, 1988-1993 GMC C/K 2500, 1988-1993 GMC C/K 1500, 1988-1993 Chevy C/K 3500, 1988-1993 Chevy C/K 2500, 1988-1993 Chevy C/K 1500, Doug Thorley Single Exit Exhaust System. Doug... more

Starting At
$369.95

+ Add To List

CATBACK EXHAUST SYSTEM

Brand: Doug Thorley Headers

Part #: 88200

Doug Thorley Single Exit Exhaust System fits: 1993-1997 Jeep Grand Cherokee, Doug Thorley Single Exit Exhaust System. Doug Thorley Single Exit Exhaust System, Doug Thorley Exhaust, Cat Back, Single Exhaust System, Doug Thorley Headers.

Starting At
$290.95

+ Add To List

CATBACK EXHAUST SYSTEM

Brand: Doug Thorley Headers

Part #: 85219

Doug Thorley Single Exit Exhaust System fits: 1999-2003 Chevy S10 Pickup, Doug Thorley Single Exit Exhaust System. Doug Thorley Single Exit Exhaust System, Doug Thorley Exhaust, Cat Back, Single Exhaust System, Doug Thorley Headers.

Starting At
$344.95

+ Add To List

CATBACK EXHAUST

Brand: Doug Thorley Headers

Part #: 89218

Starting At
$270.00

+ Add To List

CAT BACK EXHAUST

Brand: Doug Thorley Headers

Part #: 89204

Starting At
$270.00

+ Add To List

CATBACK EXHAUST SYSTEM

Brand: Doug Thorley Headers

Part #: 89215

Starting At
$270.00

+ Add To List

CATBACK EXHAUST SYSTEM

Brand: Doug Thorley Headers

Part #: 89201

Starting At
$270.00

+ Add To List

previous 1 2 Next > Results 1 - 20 of 28

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