Doug's Headers D6671-R 3/8" Thick Machined Flanges...no Warping; Cnc Mandrel Bent Tubes... Accurate Fit & Better Flow; Precision Formed Long Transition Collectors And Long Tube Design... Reduces Backpressure And Increases Higher Rpm Horsepower; Heavy 16 Gauge Tubing...longer Li

Manufacturer

Part Number

D6671-R

6 reviews

Out of Stock

No Hassle Returns

Live-in-stock inventory

Fitment guaranteed

Show details for Doug's Headers D6671-R 3/8" Thick Machined Flanges...no Warping; Cnc Mandrel Bent Tubes... Accurate Fit & Better Flow; Precision Formed Long Transition Collectors And Long Tube Design... Reduces Backpressure And Increases Higher Rpm Horsepower; Heavy 16 Gauge Tubing...longer Li

Picture of Doug's Headers D6671-R 3/8" Thick Machined Flanges...no Warping; Cnc Mandrel Bent Tubes... Accurate Fit & Better Flow; Precision Formed Long Transition Collectors And Long Tube Design... Reduces Backpressure And Increases Higher Rpm Horsepower; Heavy 16 Gauge Tubing...longer Li

Product Details

Doug's Headers D6671-R 3/8" Thick Machined Flanges...no Warping; Cnc Mandrel Bent Tubes... Accurate Fit & Better Flow; Precision Formed Long Transition Collectors And Long Tube Design... Reduces Backpressure And Increases Higher Rpm Horsepower; Heavy 16 Gauge Tubing...longer Li

Doug s Headers Header-FRD MUST SBF 79-93

Products specifications

Bolts/Studs Included

Yes

Collector Attachment

3-bolt flange

Cylinder Head Port Shape

SAP

Flange Style

Standard

Flange Thickness (in)

3/8 in.

Header Finish

Natural

Header Material

Steel

Header Style

Full-length

Motor Mounts Included

Notes

Off-road use only.

Primary Tube Diameter (in)

1 3/4 in.

Primary Tube Gauge

16-gauge

Quantity

Sold as a pair.

Reducers Included

Yes

Transmission Mount Included

Tuned

Weld-Up

Y-Pipe Included

First of all, I can not believe how fast I recieved my order, 2 DAYS! Best of all, the instructions made it easy for a non mechanic like me to install.

ArturoGW

12/1/2016 3:38 AM

Fast shipping and the lowest price. Very impressed.

MitchellACarson

9/13/2016 10:56 PM

Easy process so far.

Eric Dove

9/8/2016 1:27 PM

fast shipment and was exactly what i had ordered

Raydogg182

9/7/2016 8:46 PM

Great Communication and instant shipping. Well done!

Fandango426

8/2/2016 1:49 PM

good price, 20% off was a bit deceiving

Brian Parker

6/29/2016 3:06 AM

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Doug's Headers D6671-R 3/8" Thick Machined Flanges...no Warping; Cnc Mandrel Bent Tubes... Accurate Fit & Better Flow; Precision Formed Long Transition Collectors And Long Tube Design... Reduces Backpressure And Increases Higher Rpm Horsepower; Heavy 16 Gauge Tubing...longer Li

Doug's Headers

Product Details

Doug's Headers D6671-R 3/8" Thick Machined Flanges...no Warping; Cnc Mandrel Bent Tubes... Accurate Fit & Better Flow; Precision Formed Long Transition Collectors And Long Tube Design... Reduces Backpressure And Increases Higher Rpm Horsepower; Heavy 16 Gauge Tubing...longer Li

Products specifications

Bolts/Studs Included

Collector Attachment

Cylinder Head Port Shape

Flange Style

Flange Thickness (in)

Header Finish

Header Material

Header Style

Motor Mounts Included

Notes

Primary Tube Diameter (in)

Primary Tube Gauge

Quantity

Reducers Included

Transmission Mount Included

Tuned

Weld-Up

Y-Pipe Included

Return Policy

Returns are easy at THMotorsports

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Doug's Headers D6671-R 3/8" Thick Machined Flanges...no Warping; Cnc Mandrel Bent Tubes... Accurate Fit & Better Flow; Precision Formed Long Transition Collectors And Long Tube Design... Reduces Backpressure And Increases Higher Rpm Horsepower; Heavy 16 Gauge Tubing...longer Li

Doug's Headers

Product Details

Doug's Headers D6671-R 3/8" Thick Machined Flanges...no Warping; Cnc Mandrel Bent Tubes... Accurate Fit & Better Flow; Precision Formed Long Transition Collectors And Long Tube Design... Reduces Backpressure And Increases Higher Rpm Horsepower; Heavy 16 Gauge Tubing...longer Li

Products specifications

Bolts/Studs Included

Collector Attachment

Cylinder Head Port Shape

Flange Style

Flange Thickness (in)

Header Finish

Header Material

Header Style

Motor Mounts Included

Notes

Primary Tube Diameter (in)

Primary Tube Gauge

Quantity

Reducers Included

Transmission Mount Included

Tuned

Weld-Up

Y-Pipe Included

Return Policy

Returns are easy at THMotorsports