Exhausts

THE ORIGINAL DOUG'S HEADERS
THERE'S ONLY ONE DOUG

His engineering genius in header design is only available here. The no-compromise fit and quality of Doug's headers has been the choice of those seeking maximum performance for almost five decades.

Want the original? Look for the Doug's badge. Everything you need to do the job right!

ANATOMY OF A DOUG'S HEADER

4-tube full length headers

Typically used for higher RPM horsepower, but can also increase the mid-range torque in applications where there is room to fit a long tube.

Tri-Y Headers

For muscle cars, trucks and motorhomes yield maximum power from off idle to 4500 RPM making them well suited for applications demanding maximum mid-range torque with maximum fuel economy.

4-tube stock manifold replacement headers

Designed for easy installation and are emission control device compatible.

4-tube shorty (clippster)

Provide improved ground clearance for popular muscle cars and street rods.

CORVETTE SIDEMOUNT HEADERS

ELECTRIC EXHAUST CUT-OUTS

Un-cork your exhaust with the flip of a switch. Doug's electric cut-outs feature a rugged gear reduction, 12 volt DC motor and a rotating gate for a leak proof seal. A pre-wired harness and switch are supplied for easy installation. Cut-outs are ideal for race tracks that don't require mufflers. Available in singles or pairs and in complete kits with Y-Pipes for easy installation. Available in 2 1/2" and 3" diameters.

JBA PERFORMANCE EXHAUST
MORE POWER, MORE SOUND, HIGHER QUALITY

The original is still the best. Don't settle for less than the great performance, power and sound of JBA Headers and Exhaust Systems. JBA Performance Exhaust is the newest addition to the PerTronix Family of Performance products. JBA's extensive late model passenger car, truck, and SUV applications complement our Doug’s muscle car applications and Patriot’s street and hot rod lines while for the first time bringing to you a complete line of catback exhaust systems and high flow mid-pipes.

Available Applications

Cat4ward headers, Long tube headers, Cat back exhaust, High flow mid-pipes.

Cat4ward headers

The first step in creating an efficient and powerful exhaust system is the addition of JBA headers. Premium quality, heavy duty stainless steel construction and massive power gains are key elements in the JBA design philosophy.

Long tube headers

These designs are dyno and race proven to deliver the greatest possible increase in horsepower and torque throughout the RPM range.

THE BEST JUST GOT BETTER

Exhaust systems

JBA Performance exhaust systems add even more power to your car, truck or SUV. Stainless steel construction, high flow muffler designs and great looking tips are the perfect complement to any vehicle.

Mid-pipes

JBA mid-pipes free up more valuable power by eliminating restriction between the headers and exhaust system.

HEADERS-SIDE EXHAUST, MUFFLERS-EXHAUST TIPS, DIY COMPONENTS & ACCESSORIES

Patriot Exhaust Products offer the best value for money of any brand in the industry. Known for years as the primary exhaust supplier to the street rod enthusiast, Patriot continues to add new applications for popular muscle cars and trucks.

SMITHY'S SINCE 1920

The world's oldest performance muffler is now available for that "resto-rod" or your 1950's custom. Get the muffler your Dad impressed his friends with, and yes it's still guaranteed not to blow out or leak. Double end cap construction and 3 1/2" hammertone finished cases assure the original Smithy look. Available in three different inlet sizes and three different lengths to enable you to really customise your installation!

VARAFLOW TUNABLE MUFFLER

The VaraFlow muffler, featuring SFI Technology, uses and electric motor and valve assembly that permits adjustment of the exhaust sound, while driving. SFI stands for Sound Flow Inversion, Patriot's proprietary valve and baffle design redirects the flow of the exhaust to instantly change the volume and tone. Get the exact sound you’re looking for, or tune out annoying drones when driving down the highway.

The VaraFlow Muffler features a 2 1/2" inlet and outlet, a slim 4" x 24" body design and tight fitting servo motor making this muffler ideal for Street Rod and Muscle Car applications where space is at a premium.