More Power in Every Purchase - Join the Summit Rewards Program Today!

More Power in Every Purchase - Join the Summit Rewards Program Today!

Stay Cool With SUMMER SALE Savings!

Header Reducers & Extensions

Part Groups

Results 1 - 24 of 44

Summit Racing™ Exhaust Reducers

Summit Racing™ reducers allow you to connect various sized exhaust tubing to your headers with a minimum amount of fabrication. They're made from steel or stainless steel and come in a variety of sizes to fit your needs.

4.48 out of 5 stars ( 295 )

$18.99

$80.99

Hedman Header Reducers

Make adapting headers to your exhaust system easier, with these Hedman header reducers. The reducers include all necessary flanges, gaskets, and hardware and are available in a variety of sizes to suit your needs.

4.68 out of 5 stars ( 212 )

$27.99

$164.99

On Sale

Hooker Reducers

Hooker reducers adapt header flanges to exhaust systems. Their size matches the diameter of the header collector and the exhaust tube size, and they can be clamped or welded.

4.77 out of 5 stars ( 115 )

$176.95


$65.19

$97.95

Pypes Stainless Steel Collector Reducers

Pypes collector reducers are welded to eliminate unnecessary seams, clamps, and extra work. They are 12 inches long and feature polished stainless steel construction.

4.88 out of 5 stars ( 116 )

$97.79

$99.79

JBA Performance Exhaust Header Reducers

JBA Performance Exhaust header reducers give you an easy way to adapt your headers to your exhaust system. They are made from stainless steel, so you know that they are sure to last. Available in a variety of sizes to customize your ride, they also include the hardware and gaskets that you need for your installation.

4.86 out of 5 stars ( 21 )

$67.90

$123.05

Patriot Collector Reducers

These collector reducers from Patriot Exhaust are available in a variety of inlet and outlet sizes and lengths. They're ideal for use in putting together your own custom exhaust system, or as replacement pieces.

4.68 out of 5 stars ( 93 )

$38.15

$95.45

Hedman Universal Header X-Tensions

Never come up short again! Don't you hate it when you go to hook up your existing exhaust, only to find it's just a bit too short? Don't jury-rig it--get some Hedman Universal X-Tensions. With their S-bend to clear driveshafts, brackets, braces, and other engine obstacles, and a universal flange version to fit any header manufacturer, you'll never come up short again.

4.74 out of 5 stars ( 163 )

$42.99

$76.99

Pypes Collector Flanges

Pypes has the header collector flanges that you need for assembling your exhaust. These flanges feature stainless steel construction for lasting performance. Pypes collector flanges are offered in a variety of sizes for a great fit.

4.88 out of 5 stars ( 41 )

$20.79

$23.79

Summit Racing™ Header Extensions

Extend your performance with Summit Racing™ header extensions. Crafted from aluminized steel, our collector extensions are available in bolt-on and slip-on styles to fit your application in your quest for more torque and power. Summit Racing™ header extensions include clamps and hardware for your install. Tune up your car's torque without throwing a wrench into your budget--add Summit Racing™ header extensions to your ride.

4.8 out of 5 stars ( 35 )

$55.99

$85.99

Hedman Oxygen Sensor Reducers

Hedman oxygen sensor reducers allow you to retain an oxygen sensor when you add on headers. They come with all the necessary flanges, gaskets, and hardware needed to adapt your exhaust to your headers.

4.23 out of 5 stars ( 60 )

$24.99

$89.99

Stage 8 Locking Header Collector Bolt Kits

Stage 8 Grade 8 locking header collector bolts use a patented system that consists of a grooved hex-head bolt, a retainer, and a snap clip. The retainer fits over the bolt head and locks the bolt against the header tube, and the snap clip holds the retainer in place. Once Stage 8 header bolts are tightened down, they won't back out--eliminating leakage and blown header gaskets from loose bolts.

4.77 out of 5 stars ( 52 )

$32.84

$70.23

Stainless Works Reducers

Stainless Works reducers adapt header flanges to exhaust systems. Their size matches the diameter of the header collector and the exhaust tube size.

4.71 out of 5 stars ( 14 )

$77.90

$127.30

Sanderson Headers Header Reducers

Sanderson header reducers adapt your collector to your exhaust. They connect larger header exhaust collectors to smaller exhaust tubing. The angle reducers position the exit angle away from the block making it easier to hook up your exhaust system down pipes. Both styles, angled or straight, are available in 2.5 and 3 in. collector diameters. These steel painted reducers are sold in pairs. Get the right fit for your exhaust using Sanderson header reducers.

3.73 out of 5 stars ( 37 )

$39.67

$40.78

Summit Racing™ Collector Ring Kits

Our Summit Racing™ collector rings allow the header builder to adapt collector extensions or reducers to most popular exhaust tubing diameters. They have a 3-bolt flange and are made of high-quality steel. Gaskets and hardware are sold separately.

4.53 out of 5 stars ( 40 )

$9.99

$11.99

Corsa Long Tube Header Connection Pipes

Corsa long tube header connection pipes offer direct bolt-up to specific Corsa exhausts. These connector tubes feature stainless steel construction, and are precision engineered to maximize fit and performance. Take your Corsa header upgrade further with a set of their connection pipes.

Not Yet Reviewed

$382.99

Patriot Oxygen Sensor Reducers

Patriot oxygen sensor reducers help simplify your exhaust installation. These steel collector reducers are available in 2 1/2 in. and 3 in. collector diameter sizes, and are zinc-plated to minimize corrosion, while providing a weldable-finish. Bolts and graphite composite gasket are also included with this reducer. Order the collector reducer best suited to your application needs.

3.75 out of 5 stars ( 4 )

$100.75

Flowtech Header Reducers

Flowtech carries a complete line of reducers for custom and do-it-yourself installations, all precision-engineered. Their header reducers are available in a variety of sizes and styles to suit your header system building needs.

4.37 out of 5 stars ( 41 )

$34.10

$241.95

Kooks Headers Reducer Cone Collectors

Kooks reducer cone collectors can provide a smoother transition from your header collector to your exhaust pipe, or for connecting two pipes of different diameters. Made from steel, they are available in several sizes to best suit your specific exhaust system needs.

4.2 out of 5 stars ( 5 )

$25.04

$40.66

Patriot Collector Flange Kits

Patriot collector flange kits are available in several bolt styles, diameters, and flange thicknesses. These kits come complete with durable steel flanges, gaskets, and flange bolts.

4.4 out of 5 stars ( 53 )

$12.15

$58.35

Hooker Collector Ring Kits

Hooker collector ring kits enable the header builder to adapt Hooker collector extensions or reducers to the basic collector. The kits include two 3-bolt rings, matching gaskets, and six bolts.

5.0 out of 5 stars ( 3 )

$54.45

ARP Collector Fasteners

ARP collector bolts are rated at 180,000 tensile strength. These stainless steel exhaust collector bolts have a compact head that will allow a socket to fit into those tight, tricky spaces next to the header collector. Washers are included, and this hardware is highly resistant to heat and corrosion. Order the fastener set designed to fit your flange applications.

4.0 out of 5 stars ( 4 )

$42.99

$64.99

Jones Exhaust Header Buddy Reducers

Jones Exhaust aluminized steel Header Buddy reducers feature an innovative new design that allows you to eliminate the collector gasket from your exhaust system. Jones Header Buddy reducers are easy to use without the need to alter your headers. In fact, even after the Header Buddy reducers have been installed, you can still easily disconnect your headers from your exhaust system if need be. Best of all, Header Buddy reducers are reusable!

4.55 out of 5 stars ( 11 )

$64.99

$72.99

Flowtech Afterburner Thrust Toobs Header Extensions

Flowtech Afterburner Thrust Toobs header extensions are designed to be used with open headers in order to complete the system and squeeze out extra horsepower and torque. They bolt behind any 3-bolt header collector, are made from durable 16-gauge tubing, and feature a fully welded construction.

4.8 out of 5 stars ( 5 )

$43.95

Hedman Ball and Socket Header Flange Kits

Hedman ball and socket header flange kits permit you to convert your gasket-style or race-style header collector to a gasket-free ball-style. These adapters are made from stainless steel and require no gasket. The kits contain a ball collector, socket exhaust adapter, flanges, bolts, and nuts to complete your install.

3.0 out of 5 stars ( 3 )

$189.99

Modal Header