Traditional Exhaust Stack

Bullhorn Curve

Wild Look - Stands Out

The wild style of Bull Horn stacks (or Bull Haulers) from their heritage transporting livestock across the country, the large offset deflecting the exhaust gasses away from the herd. The distinctively wild appearance is accentuated in a dual set up. The look continues...

Western Star BullHorn

Kenworth Bull Horn Stack

350
Series

350C Series

The Silverback 350C Series is suited for any truck built PRIOR to EURO-V or the YEAR 2010.

These STACKS endure temperatures up to 350°C.


REDUCED STACKS are the most common form of stacks fitted. These are reduced to 5inch OD for easy fitting into the existing muffler or pipework.

Bullhorn Curve

Pipe Length

30" [760mm]
36" [915mm]
44" [1120mm]
48" [1220mm]
54" [1370mm]
60" [1525mm]
64" [1625mm]
68" [1730mm]
72" [1830mm]

Pipe Size

6">5"
7">5"
8">5"

Stock Codes

The chart below displays the stock codes for the different stack variations.

It is good to refer to these stock codes at any point of enquiry.

 

 

6">5"

7">5"

8">5"

30"

BHCRS6530AP

BHCRS7530AP

BHCRS8530AP

36"

BHCRS6536AP

BHCRS7536AP

BHCRS8536AP

44"

-

BHCRS7544AP

-

48"

BHCRS6548AP

BHCRS7548AP

BHCRS8548AP

54"

BHCRS6554AP

BHCRS7554AP

BHCRS8554AP

60"

BHCRS6560AP

BHCRS7560AP

BHCRS8560AP

64"

BHCRS6564AP

BHCRS7564AP

BHCRS8564AP

68"

-

BHCRS7568AP

-

72"

BHCRS6572AP

BHCRS7572AP

BHCRS8572AP

 

AD-BLUE Upgrade

This is a carefully applied coating that has been formulated to endure the acidic conditions the ad-blue creates. Generally applied to 350C Series when heat from the DPF is not an issue.

When ordering please include Part No. ADBL

T610 Upgrade

With a different fitment and bracket system to all previous Kenworths, Silverback provide a stack that is correctly suited to the T610 model. Available in all sizes and styles in the Silverback range.

When ordering please include Part No. KW610SLEEVE

650
Series

650C Series

The Silverback 650C Series is suited for any truck built AFTER the EURO-V standard or the YEAR 2010.

These stacks ENDURE temperatures up to 650°C.


REDUCED STACKS are the most common form of stacks fitted. These are reduced to 5inch OD for easy fitting into the existing muffler or pipework.

Bullhorn Curve

Pipe Length

30" [760mm]
36" [915mm]
44" [1220mm]
48" [1220mm]
54" [1370mm]
60" [1525mm]
64" [1625mm]
68" [1625mm]

Pipe Size

6">5"
7">5"
8">5"

Stock Codes

The chart below displays the stock codes for the different stack variations.

<p">It is good to refer to these stock codes at any point of enquiry. <p "> 

 

6">5"

7">5"

8">5"

30"

BHCRS6530NBP

BHCRS7530NBP

BHCRS8530NBP

36"

BHCRS6536NBP

BHCRS7536NBP

BHCRS8536NBP

44"

-

BHCRS7544NBP

-

48"

BHCRS6548NBP

BHCRS7548NBP

BHCRS8548NBP

54"

BHCRS6554NBP

BHCRS7554NBP

BHCRS8554NBP

60"

BHCRS6560NBP

BHCRS7560NBP

BHCRS8560NBP

64"

BHCRS6564NBP

BHCRS7564NBP

BHCRS8564NBP

68"

-

BHCRS7568NBP

-

K200 EGR-DPF Upgrade

Temperatures can exceed 650C on Kenworth K Series (cab overs) that are running EGR-DPF motors. This upgrade is recommended for all Kenworth K Series running this motor to ensure further protection and longevity of the chrome.

When ordering please include Part No. K200 UPGRADE-CRVD

(Does not apply to mitre cut and straight cut stacks)

350
Series

350C Series

The Silverback 350C Series is suited for any truck built PRIOR to EURO-V or the YEAR 2010.

These stacks ENDURE temperatures up to 350°C.


NON-REDUCED STACKS range from 5" OD to 8" OD, and if larger than 5" are generally fitted into a set of sports mufflers i.e a FLOWTECH SPORTS Muffler. [More info]

Bullhorn Curve

Pipe Length

24" [610mm]
30" [760mm]
36" [915mm]
48" [1220mm]
54" [1370mm]
60" [1525mm]
64" [1625mm]
72" [1830mm]

Pipe Size

5"
6"
7"
8"

Stock Codes

The chart below displays the stock codes for the different stack variations.

It is good to refer to these stock codes at any point of enquiry.

 

 

5"

6"

7"

8"

24"

BHCS5024AP

BHCS6024AP

-

-

30"

-

-

BHCS7030AP

BHCS8030AP

36"

BHCS5036AP

BHCS6036AP

BHCS7036AP

BHCS8036AP

48"

BHCS5048AP

BHCS6048AP

BHCS7048AP

BHCS8048AP

54"

BHCS5054AP

BHCS6054AP

BHCS7054AP

BHCS8054AP

60"

BHCS5060AP

BHCS6060AP

BHCS7060AP

BHCS8060AP

64"

BHCS5064AP

BHCS6064AP

BHCS7064AP

BHCS8064AP

72"

BHCS5072AP

BHCS6072AP

BHCS7072AP

BHCS8072AP