Help is just a click away!
Click here to chat with a Speedway Team Member
💬
Online - Chat with us!
Chat
Products to Compare (max of 3)
X
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Since 1952
in
in
Talk to the Experts. Call 800.979.0122
Shop By
Support
Account
Street Race Truck More... The Toolbox
What year is your GMC K25?
Products
You've Selected:
Selected Filters
See Less Filters
Select Your Vehicle
See More Filters
Sort by:
Show:

New

Garage Sale

Universal Fit, Cast Iron, Natural, Gasket(s) Included

Ships Free
Video Available

Material Type: Cast Iron

Finish: Natural

Collector Diameter : 2-1/2"

Gasket(s) Included: Yes

Quick View
Video Available

Finish: Natural

Flange Style: Square Port

Collector Diameter : 2-1/2 Inch

Gasket(s) Included: No

Quick View

283, 302, 305, 307, 327, 350, 377, 383, 395, 400, Black

Ships Free
On Sale

Header Tube Type: Long Tube

Finish: Painted

Primary Tube Diameter: 1-1/2"

Material Type: Mild Steel

Quick View

Chevy Small Block V8, Long Tube Header Tube Type

Ships Free
On Sale

Header Tube Type: Long Tube

Finish: Ceramic Coated

Flange Style: Round Port

Primary Tube Diameter: 1-1/2"

Quick View
$177.95
$191.95

396, 402, 427, 454, Long Tube Header Tube Type, Painted

Ships Free
On Sale

Header Tube Type: Long Tube

Finish: Painted

Flange Style: Round Port

Primary Tube Diameter: 1-3/4"

Quick View
$476.95
$511.95

265, 267, 283, 302, 305, 307, 327, 350, 377, 383, 400

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Silver ceramic coated

Flange Style: Oval Port

Primary Tube Diameter: 1-5/8"

Quick View
$348.95
$374.95

396, 402, 427, 454, Long Tube Header Tube Type, Silver

Ships Free
On Sale

Header Tube Type: Long Tube

Finish: Ceramic Coated

Flange Style: Round Port

Primary Tube Diameter: 1-3/4"

Quick View
$223.95
$239.95

Chevy Small Block V8, Full-length Header Tube Type

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Temporary Paint

Flange Style: Oval Port

Primary Tube Diameter: 1-5/8"

Quick View
$353.95
$379.95

283, 302, 305, 307, 327, 350, 377, 383, 395, 400

Ships Free
On Sale

Header Tube Type: Long Tube

Finish: Ceramic Coated

Flange Style: Round Port

Primary Tube Diameter: 1-5/8"

Quick View

265, 267, 283, 302, 305, 307, 327, 350, 377, 383, 400

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Black ceramic coated

Flange Style: Oval Port

Primary Tube Diameter: 1-5/8"

Quick View

283, 302, 305, 307, 327, 350, 377, 383, 395, 400, Black

Ships Free
On Sale

Header Tube Type: Long Tube

Finish: Painted

Flange Style: Round Port

Primary Tube Diameter: 1-5/8"

Quick View
$520.60
$735.62

305, 307, 350, 400, Tri-Y Header Tube Type, Steel

Ships Free
On Sale

Header Tube Type: Tri-Y

Finish: Hi-Temp Black

Flange Style: Oval Port

Primary Tube Diameter: 1-5/8"

Quick View
$223.43
$302.19

283, 305, 307, 327, 350, 400, Hi-Temp Black, Steel

Ships Free
On Sale

Header Tube Type: Long Tube

Finish: Hi-Temp Black

Flange Style: Round Port

Primary Tube Diameter: 1-5/8"

Quick View
$534.96
$755.92

396, 402, 427, 454, 502, Tri-Y Header Tube Type, Steel

Ships Free
On Sale

Header Tube Type: Tri-Y

Finish: Hi-Temp Black

Flange Style: Standard

Primary Tube Diameter: 1-3/4"

Quick View
$453.95
$486.95

283, 302, 305, 307, 327, 350, 377, 383, 395, 400

Ships Free
On Sale

Header Tube Type: Long Tube

Finish: Ceramic Coated

Flange Style: Round Port

Primary Tube Diameter: 1-5/8"

Quick View

302, 327, 350, 400, Composite with steel core

Material Type: Composite with steel core

Port Style: Square Port

Overall Height: 1.500 in."

Overall Width: 1.500 in."

Quick View
$18.99
$19.99

265, 283, 305, 307, 327, 350, 400

On Sale

Gasket Material: Compressed Ceramic Fiber

Overall Thickness: 0.125"

Quick View

396, 402, 427, 454, Ceramic Fiber Gasket Material

On Sale

Gasket Material: Ceramic Fiber

Quick View
$42.16
$45.04

Dodge, Plymouth, Buick, Chevy, GMC, Oldsmobile, Pontiac

On Sale

Collector Diameter : 3 Inch

Outlet Size: 2-1/2"

Gasket(s) Included: Yes

Hardware Included: No

Quick View
$42.16
$45.04

Dodge, Plymouth, Buick, Chevy, GMC, Oldsmobile, Pontiac

On Sale

Collector Diameter : 2-1/2 Inch

Outlet Size: 2-1/4"

Gasket(s) Included: Yes

Hardware Included: No

Quick View
$328.95
$352.95

283, 302, 305, 307, 327, 350, 377, 383, 395, 400, Black

Ships Free
On Sale

Header Tube Type: Long Tube

Finish: Painted

Primary Tube Diameter: 1-1/2"

Material Type: Mild Steel

Quick View
$600.95
$644.95

265, 267, 283, 302, 305, 307, 327, 350, 377, 383, 400

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Titanium Ceramic

Flange Style: Oval Port

Primary Tube Diameter: 1-5/8"

Quick View
$837.95
$898.95

283, 302, 305, 307, 327, 350, 400, Steel, Silver

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Silver ceramic coated

Flange Style: Oval Port

Primary Tube Diameter: 1-5/8"

Quick View
$389.99
$426.99

283, 302, 305, 307, 327, 350, 377, 383, 395, 400

Ships Free
On Sale

Header Tube Type: Long Tube

Finish: Ceramic Coated

Flange Style: Round Port

Primary Tube Diameter: 1-5/8"

Quick View
$299.99
$374.95

396, 402, 427, 454, Long Tube Header Tube Type, Silver

Ships Free
On Sale
New Product

Header Tube Type: Long Tube

Finish: Ceramic Coated

Flange Style: Round Port

Primary Tube Diameter: 1-3/4"

Quick View
$552.95
$593.95

283, 302, 305, 307, 327, 350, 400, Temporary Paint

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Temporary Paint

Flange Style: Oval Port

Primary Tube Diameter: 1-5/8"

Quick View
Change Your Vehicle
All Makes
Year
Make
Model
Remove Vehicle
GMC K25
Suggestions
`
Error
X
Note
X
Ok