Brand:
Doug’s Headers
Manufacturer’s Part Number:
D521
Part Type:
Headers
Product Line:
Doug’s Headers
Summit Racing Part Number:
DOU-D521
UPC:
694342509767
Header Style:
Long tube one-piece
Header Material:
Steel
Primary Tube Outside Diameter (in.):
1 3/4 in.
Header Color:
Silver ceramic coated
Flange Style:
Standard
Weld-Up:
No
Cylinder Head Port Shape:
D-port
Collector Attachment:
3-bolt flange
Collector Diameter (in.):
3.00
Collector Reducers Included:
Yes
Collector Reducer Exit Diameter:
2.500 in.
Tuned:
No
Primary Tube Gauge:
16-gauge
Flange Thickness (in.):
0.38 in.
Bolts/Studs Included:
Yes
Gaskets Included:
Yes
Crossover Pipe Included:
No
Catalytic Converter(s) Included:
No
Motor Mounts Included:
No
Transmission Mount Included:
No
Quantity:
Sold as a pair.
Search Results for: brand/Dougs-Headers
Brand:
Doug’s Headers
Manufacturer’s Part Number:
D450
Part Type:
Headers
Product Line:
Doug’s Headers
Summit Racing Part Number:
DOU-D450
UPC:
694342509668
Header Style:
Long tube one-piece
Header Material:
Steel
Primary Tube Outside Diameter (in.):
1 5/8 in.
Header Color:
Silver ceramic coated
Flange Style:
Standard
Weld-Up:
No
Cylinder Head Port Shape:
SAP
Collector Attachment:
3-bolt flange
Collector Diameter (in.):
2.50
Collector Reducers Included:
Yes
Collector Reducer Exit Diameter:
2.500 in.
Tuned:
No
Primary Tube Gauge:
16-gauge
Flange Thickness (in.):
0.38 in.
Bolts/Studs Included:
Yes
Gaskets Included:
Yes
Crossover Pipe Included:
No
Catalytic Converter(s) Included:
No
Motor Mounts Included:
No
Transmission Mount Included:
No
Quantity:
Sold as a pair.
Notes:
Will fit applications with 727 automatic transmissions when used with mini starter PWM-9300.
Brand:
Doug’s Headers
Manufacturer’s Part Number:
D451
Part Type:
Headers
Product Line:
Doug’s Headers
Summit Racing Part Number:
DOU-D451
UPC:
694342509682
Header Style:
Long tube one-piece
Header Material:
Steel
Primary Tube Outside Diameter (in.):
1 3/4 in.
Header Color:
Silver ceramic coated
Flange Style:
Standard
Weld-Up:
No
Cylinder Head Port Shape:
SAP
Collector Attachment:
3-bolt flange
Collector Diameter (in.):
3.00
Collector Reducers Included:
Yes
Collector Reducer Exit Diameter:
2.500 in.
Tuned:
No
Primary Tube Gauge:
16-gauge
Flange Thickness (in.):
0.38 in.
Bolts/Studs Included:
Yes
Gaskets Included:
Yes
Crossover Pipe Included:
No
Catalytic Converter(s) Included:
No
Motor Mounts Included:
No
Transmission Mount Included:
No
Quantity:
Sold as a pair.
Brand:
Doug’s Headers
Manufacturer’s Part Number:
D365-B
Part Type:
Headers
Product Line:
Doug’s Headers
Summit Racing Part Number:
DOU-D365-B
UPC:
694342544201
Header Style:
Fenderwell
Header Material:
Steel
Primary Tube Outside Diameter (in.):
2 in.
Header Color:
High temperature black paint
Flange Style:
Standard
Weld-Up:
No
Cylinder Head Port Shape:
Oval
Collector Attachment:
3-bolt flange
Collector Diameter (in.):
3.50
Collector Reducers Included:
No
Tuned:
No
Primary Tube Gauge:
16-gauge
Spark Plug Position:
Angle/Straight
Flange Thickness (in.):
0.38 in.
Bolts/Studs Included:
Yes
Gaskets Included:
Yes
Crossover Pipe Included:
No
Catalytic Converter(s) Included:
No
Motor Mounts Included:
No
Transmission Mount Included:
No
Quantity:
Sold as a pair.
Brand:
Doug’s Headers
Manufacturer’s Part Number:
D304
Part Type:
Headers
Product Line:
Doug’s Headers
Summit Racing Part Number:
DOU-D304
UPC:
694342507046
Header Style:
Shorty
Header Material:
Steel
Primary Tube Outside Diameter (in.):
1 5/8 in.
Header Color:
Silver ceramic coated
Flange Style:
Standard
Weld-Up:
No
Cylinder Head Port Shape:
Oval
Collector Attachment:
3-bolt flange
Collector Diameter (in.):
3.00
Collector Reducers Included:
Yes
Collector Reducer Exit Diameter:
2.500 in.
Tuned:
No
Primary Tube Gauge:
16-gauge
Spark Plug Position:
Angle/Straight
Flange Thickness (in.):
0.38 in.
Bolts/Studs Included:
Yes
Gaskets Included:
Yes
Crossover Pipe Included:
No
Catalytic Converter(s) Included:
No
Motor Mounts Included:
No
Transmission Mount Included:
No
Quantity:
Sold as a pair.
Notes:
Will not fit with factory clamshell style motor mounts. Must convert to earlier design frame stand and mount.
Brand:
Doug’s Headers
Manufacturer’s Part Number:
DEC300ATD
Part Type:
Exhaust Turndowns and Spouts
Product Line:
Doug’s Headers Exhaust Turndowns
Summit Racing Part Number:
DOU-DEC300ATD
UPC:
694342537630
Inlet Diameter (in.):
3.00 in.
Outlet Diameter (in.):
3.00 in.
Overall Length (in.):
5.00 in.
Mandrel-Bent:
No
Turndown Cut:
Slant
Turndown Installation:
Clamp-on
Turndown Material:
409 stainless steel
Turndown Finish:
Natural
Quantity:
Sold individually.
Notes:
Designed for use with electric cut-out kits, includes clamp.
Brand:
Doug’s Headers
Manufacturer’s Part Number:
DEC250A
Part Type:
Exhaust Cutouts
Product Line:
Doug’s Headers Electric Exhaust Cutout Kits
Summit Racing Part Number:
DOU-DEC250A
UPC:
694342534219
Tubing Diameter (in.):
2.50 in.
Exhaust Cutout Style:
Electric
Exhaust Cutout Flange Material:
Stainless steel
Exhaust Cutout Color:
Natural
Exhaust Cutout Installation:
Bolt-on
Quantity:
Sold as a pair.
Notes:
Includes wiring harness. The provided momentary switch allows for partial opening.
Brand:
Doug’s Headers
Manufacturer’s Part Number:
D690YA
Part Type:
Headers
Product Line:
Doug’s Headers
Summit Racing Part Number:
DOU-D690YA
UPC:
694342510848
Header Style:
Tri-Y one-piece
Header Material:
Steel
Primary Tube Outside Diameter (in.):
1 5/8 in.
Header Color:
Silver ceramic coated
Flange Style:
Standard
Weld-Up:
No
Cylinder Head Port Shape:
SAP
Collector Attachment:
3-bolt flange
Collector Diameter (in.):
2.50
Collector Reducers Included:
Yes
Collector Reducer Exit Diameter:
2.500 in.
Tuned:
No
Primary Tube Gauge:
16-gauge
Spark Plug Position:
Angle/Straight
Flange Thickness (in.):
0.38 in.
Bolts/Studs Included:
Yes
Gaskets Included:
Yes
Crossover Pipe Included:
No
Catalytic Converter(s) Included:
No
Motor Mounts Included:
No
Transmission Mount Included:
No
Quantity:
Sold as a pair.
Brand:
Doug’s Headers
Manufacturer’s Part Number:
DEC300A
Part Type:
Exhaust Cutouts
Product Line:
Doug’s Headers Electric Exhaust Cutout Kits
Summit Racing Part Number:
DOU-DEC300A
UPC:
694342534233
Tubing Diameter (in.):
3.00 in.
Exhaust Cutout Style:
Electric
Exhaust Cutout Flange Material:
Stainless steel
Exhaust Cutout Color:
Natural
Exhaust Cutout Installation:
Bolt-on
Quantity:
Sold as a pair.
Notes:
3.000 in. o.d. Includes wiring harness. The provided momentary switch allows for partial opening.
Brand:
Doug’s Headers
Manufacturer’s Part Number:
D568
Part Type:
Headers
Product Line:
Doug’s Headers
Summit Racing Part Number:
DOU-D568
UPC:
694342509828
Header Style:
Long tube one-piece
Header Material:
Steel
Primary Tube Outside Diameter (in.):
1 7/8 in.
Header Color:
Silver ceramic coated
Flange Style:
Standard
Weld-Up:
No
Cylinder Head Port Shape:
Round
Collector Attachment:
3-bolt flange
Collector Diameter (in.):
3.50
Collector Reducers Included:
Yes
Collector Reducer Exit Diameter:
2.500 in.
Tuned:
No
Primary Tube Gauge:
16-gauge
Flange Thickness (in.):
0.38 in.
Bolts/Studs Included:
Yes
Gaskets Included:
Yes
Crossover Pipe Included:
No
Catalytic Converter(s) Included:
No
Motor Mounts Included:
No
Transmission Mount Included:
No
Quantity:
Sold as a pair.