These Flowtech upright derby style headers fit the 2.8L, 3.1L and 3.4L GM V6 engines with both round port or D-port style exhaust ports. 1-1/2 in. and 1-5/8 in. mandrel bent primary tubes provide consistent tubing diameters for smooth flow of the exhaust pulses and increase the cylinder scavenging of the exhaust to improve engine breathing. The headers are constructed from heavy duty 16-gauge 409 stainless steel tubing for increased strength and durability. These headers use a 10 in. long, 2.5 in. collector with 20 in. long primary tubes. The 3/8 in. thick header flange provides a leak-free seal and maximizes strength.
Specifications:
| Description_DEF |
Exhaust Header |
| Description_DES |
Flowtech Upright Headers |
| Description_MKT |
These Flowtech upright derby style headers fit the 2.8L, 3.1L and 3.4L GM V6 engines with both round port or D-port style exhaust ports. 1-1/2 in. and 1-5/8 in. mandrel bent primary tubes provide consistent tubing diameters for smooth flow of the exhaust pulses and increase the cylinder scavenging of the exhaust to improve engine breathing. The headers are constructed from heavy duty 16-gauge 409 stainless steel tubing for increased strength and durability. These headers use a 10 in. long, 2.5 in. collector with 20 in. long primary tubes. The 3/8 in. thick header flange provides a leak-free seal and maximizes strength. |
| Description_KEY |
Derby; pull; tractor; race; upright; Chevrolet; chevy; v6; demolition; truck; gm; header; 2.8l; 3.1l; 3.4l |
| Description_EXT |
GM 2.8/3.1/3.4L V6, Round Port Upright Headers 1-5/8" Primary, 20" Long, 27" tall, 2-1/2" x 10" Collector - 409SS Natural Finish |
| Description_FAB |
Mandrel bent tubes provide consistent tubing diameters for better exhaust pulse flow and improved performance |
| Description_FAB |
1-1/2 in. and 1-5/8 in. primary diameters available for increased exhaust flow and improved throttle response |
| Description_FAB |
Heavy duty 16-gauge 409 Stainless Steel used for strength and durability |
| Description_FAB |
10 in. long, 2.5 in. collector improves exhaust flow |
| Description_FAB |
3/8 in. thick header flange for a leak-free seal and maximum strength |
| Description_FAB |
Available for both round and D-port exhaust ports |
| Description_FAB |
Header gaskets included |
| Description_INV |
GM 2.8-3.4L V6 UPRIGHT HEADERS 1.625 IN |
| Description_SHO |
Exhaust Header |
| Port Shape |
Round |
| Collector Tube Size |
2.500 in. |
| Engine |
GM 90 Degree V6 |
| Installed Height |
27 inch |
| Primary Tube Length |
20 inch |
| Tube Material |
409 Stainless Steel |
| Brand |
Flowtech |
| CARB (California) Compliant |
No |
| Clearance Category |
Exhaust |
| Emission Code |
4 |
| Header Finish |
Natural |
| Inlet Port Shape |
Round |
| Sale Category |
Exhaust |
| Application |
Race Car |
| Flange Length |
0.375 in. |
| Material |
409 Stainless Steel |
| Tube Diameter |
1.625 in. |
| WARNING CA Proposition 65 |
Yes |
| WARNING CA Proposition 65 Message |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| California Proposition 65 Chemical Name |
Chromium (hexavalent compounds), Nickel (Metallic) |
| California Proposition 65 Required |
Yes |
| Collector Length |
10 inch |
| Discount Percentage |
26-50% |
| Flange Thickness |
3/8 Inch |
| Header Style |
Upright |
| Product Type |
Headers |
| Warning |
California Proposition 65 |
| Collector Diameter |
2.50 inch |
| Primary Tube Dia. |
1-5/8 inch |
| Length |
11.0000 |
| Width |
13.0000 |
| Height |
31.0000 |
| Weight |
18.0000 |
