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Thunderheader Chrome X-Series Exhaust System - 1073X for Select Harley-Davidson Motorcycles
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ShareThunderheader Chrome X-Series Exhaust System - 1073X for Select Harley-Davidson Motorcycles
Thunderheader™ X-Series™ 2-into 1 exhaust systems for Touring models is our large diameter exhaust specifically designed for big cubic inch engines, built to produce big numbers The X-Series™ is designed with 2 in. primary tubes with a 12-degree transition chamber to allow more exhaust flow Unique patented baffle in conjunction with the tr…
Thunderheader™ X-Series™ 2-into 1 exhaust systems for Touring models is our large diameter exhaust specifically designed for big cubic inch engines, built to produce big numbers The X-Series™ is designed with 2 in. primary tubes with a 12-degree transition chamber to allow more exhaust flow Unique patented baffle in conjunction with the trademark tail cone is designed to allow a free-flowing exhaust while creating an anti-reversion condition in the pipe which will aid the air/fuel flow on the intake stroke to allow more fuel into the combustion chamber This means more torque at the low and mid RPM ranges and maximum horsepower at top end Complete with heat shields and all mounting hardware, and 12mm O2 sensor bungs O2 sensor ports are pre-installed with O2 sensor plugs SPECIAL FITMENT NOTE: Requires using flat exhaust gaskets ONLY. If you do not have flat ones you will need to purchase them separately Dennis Kirk P/N 267587. This exhaust will not work with the tapered exhaust gaskets Included Items: (1) Chrome steel 2 into 1 header assembly W/chrome steel heat shields installed (1) Chrome steel muffler assembly (1) Chrome steel muffler heat shield (11) #28 Hose clamps (1) #48 Hose clamp (1) #56 Hose clamp (1) Band clamp (2) 5/16"-18 x 1/2" Hex head bolt (2) 5/16"-18 Nylock nut (3) 5/16" Flat washers (1) Black steel mounting bracket (1) Black steel 3 hole spacer (1) Black aluminum round spacers (1) 3/8"-16 x 3" Socket cap head bolts (2) 3/8"-16 x 1-3/4" Socket cap head bolts Instructions The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.
Description
Thunderheader™ X-Series™ 2-into 1 exhaust systems for Touring models is our large diameter exhaust specifically designed for big cubic inch engines, built to produce big numbers The X-Series™ is designed with 2 in. primary tubes with a 12-degree transition chamber to allow more exhaust flow Unique patented baffle in conjunction with the trademark tail cone is designed to allow a free-flowing exhaust while creating an anti-reversion condition in the pipe which will aid the air/fuel flow on the intake stroke to allow more fuel into the combustion chamber This means more torque at the low and mid RPM ranges and maximum horsepower at top end Complete with heat shields and all mounting hardware, and 12mm O2 sensor bungs O2 sensor ports are pre-installed with O2 sensor plugs SPECIAL FITMENT NOTE: Requires using flat exhaust gaskets ONLY. If you do not have flat ones you will need to purchase them separately Dennis Kirk P/N 267587. This exhaust will not work with the tapered exhaust gaskets Included Items: (1) Chrome steel 2 into 1 header assembly W/chrome steel heat shields installed (1) Chrome steel muffler assembly (1) Chrome steel muffler heat shield (11) #28 Hose clamps (1) #48 Hose clamp (1) #56 Hose clamp (1) Band clamp (2) 5/16"-18 x 1/2" Hex head bolt (2) 5/16"-18 Nylock nut (3) 5/16" Flat washers (1) Black steel mounting bracket (1) Black steel 3 hole spacer (1) Black aluminum round spacers (1) 3/8"-16 x 3" Socket cap head bolts (2) 3/8"-16 x 1-3/4" Socket cap head bolts Instructions The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.
Specifications
| Brand | 1073x |
| Part Number | 4409869 |
| Quantity | Each |
| Type | 2-into-1 System |
| Style | Tapered Tip |
| Color | Chrome |
| Weight | 31.25 Lbs |