CNC Series™ Steel Silver Ceramic Coated Long Tube Exhaust Headers (16420) by BBK®. Primary Tubing Diameter: 1.75". Color: Silver. Header Coating: Ceramic. Header Style: Long Tube. Gain 30 plus dyno-proven horsepower just by bolting on a set of BBK

BBK 16420 - CNC Series™ Steel Silver Ceramic Coated Long Tube Exhaust Headers

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Description

CNC Series™ Steel Silver Ceramic Coated Long Tube Exhaust Headers (16420) by BBK®. Primary Tubing Diameter: 1.75". Color: Silver. Header Coating: Ceramic. Header Style: Long Tube. Gain 30 plus dyno-proven horsepower just by bolting on a set of BBK long tube, full length headers. These premium headers are CAD designed with a one-piece laser cut exhaust flange, CNC mandrel bent tubes, and a leak-free ball and socket (dome) style collector, for unrestricted airflow. They’re pressure tested to ensure trouble-free performance, come with gaskets and mounting hardware, and available in eye-catching chrome or durable silver ceramic finish, or never rust stainless steel. A BBK high-flow X-pipe is required to connect to the exhaust system.



Tuned: Yes

Crossover Pipe Included: No

Catalytic Converters Included: No

Quantity: Pair

Inlet Port Shape: Round

Attachment Method: Stock flange

Weld-Up: No

 

Exhaust Headers

Bolts

Studs

Hardware

Gaskets

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Requires BBK high-flow X-pipe to connect to exhaust system

 

Optimal cylinder scavenging, where the exhaust pulse helps draw the exhaust gas from the primary tube as well as draw the incoming intake charge into the cylinder, is most pronounced on long tube headers. Long tube headers are much more effective with longer cam durations and greater valve overlap, which is why they are recommended for “built” engines. The only caveats to long tube headers are that since the collector is lower on the header, ground clearance can be an issue, particularly on lowered vehicles, and fitment usually requires modifications to the exhaust system. However, the latter isn’t a problem with these headers if a BBK high-flow X-pipe is used to connect to the exhaust system.

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Series: CNC Series™

Header Material: Steel

Finish: Silver Ceramic Coated

Header Style: Long Tube

Primary Diameter: 1.75"

Tuned: Yes

Crossover Pipe Included: No

Catalytic Converters Included: No

Quantity: Pair

Inlet Port Shape: Round

Attachment Method: Stock flange

Weld-Up: No

 

Exhaust Headers

Bolts

Studs

Hardware

Gaskets


Dyno Testing Results Show a Typical Increase of 30 Horsepower

CNC Mandrel Bent Tubes to Ensure Consistent Diameter throughout the Tubes

Developed using CAD (Computer Aided Design) software

1-piece laser cut exhaust flange for added strength and durability

Leak free ball and socket (dome) style collector

Pressure tested to ensure trouble free performance

Recommended for built engines and high-performance applications

Includes new gaskets and hardware

Significant Bolt-On Power Gain

16 Gauge Steel Tubing and 3/8" Thick Flanges

Requires BBK high-flow X-pipe to connect to exhaust system

 

Optimal cylinder scavenging, where the exhaust pulse helps draw the exhaust gas from the primary tube as well as draw the incoming intake charge into the cylinder, is most pronounced on long tube headers. Long tube headers are much more effective with longer cam durations and greater valve overlap, which is why they are recommended for “built” engines. The only caveats to long tube headers are that since the collector is lower on the header, ground clearance can be an issue, particularly on lowered vehicles, and fitment usually requires modifications to the exhaust system. However, the latter isn’t a problem with these headers if a BBK high-flow X-pipe is used to connect to the exhaust system.


BBK Performance® is the No. 1 manufacturer of EFI performance parts and accessories. For over 20 years the company has concentrated its resources on the development and manufacture of performance parts and accessories for late model electronically fuel injected vehicles. These parts include large bore, high-flow mass air meters and throttle bodies, intake manifolds, high-flow fuel rails and high-volume fuel pumps, and cold air intake kits. The company also manufactures an extensive line of high-tech headers and exhaust pipes, and state-of-the-art suspension and steering components. Along with their commitment to EFI, the company is also dedicated to designing and manufacturing the highest quality parts and accessories right here in the USA. To that end, the company operates 2 large design and manufacturing facilities in Temecula, California as well as a large distribution center located in Daytona Beach, Florida.

Vehicle Fitment Summary

To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table. Also review the notes section in the Compatibility Chart for additional specifications about this part.

Years
Make
Model
Mustang
Submodel
Type
Engine
Engine Type
Engine Size
Engine Size (Cc)
Engine Horsepower
Fuel Type
Transmission
Interchange
Fitment

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For orders delivered within the continental US where the reason for return isn't a result of a Shop Tucky’s error, the cost of the initial shipping charge and a return fee will be deducted from your refund. If you refuse delivery or the carrier returns a package because you provided an invalid address, the cost of return shipping will be deducted from your refund. A prepaid shipping label(s) will be provided. 

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