Big Block Chevy 2-1/4" Upright Headers with 4" Collector- Natural Finish - 11551FLT

Flowtech Headers are the perfect combination of quality and value. These Big Block Chevy Upright headers available in 2-1/4" tube diameters are ideal for even big cubic inch Big Block Chevy engines

Specifications:

Application	Big Block Chevy
Bolt size	3/8-16 x 3/4
Brand	Flowtech Exhaust
CARB (California) Compliant	No
Category	Exhaust
1895	Weld-On
Collector Diameter	4.00
2877	2.25
17	Silver
Design	Upright
10091	No
Emission Code	4
Engine	GM Big Block
200	Natural
710	0.4375
Flange Thickness	7/16"
353	Yes
3390	Performance
Header Finish	Natural
Header Style	Upright
10	409 Stainless Steel
30	No
2878	No
part type	Exhaust Header
1905	Round
Primary Tube Dia.	2-1/4 inch
Primary Tubing Diameter	2-1/4
10092	2.250
Product Type	Headers
1336	Semi-Gloss
Sub Category	Exhaust Manifolds
Tube Material	409 Stainless Steel
Tube Wall Thickness	16
Warning	California Proposition 65
Application	Big Block Chevy
Bolt size	3/8-16 x 3/4
Brand	Flowtech Exhaust
CARB (California) Compliant	No
Category	Exhaust
1895	Weld-On
Collector Diameter	4.00
2877	2.25
17	Silver
Design	Upright
10091	No
Emission Code	4
Engine	GM Big Block
200	Natural
710	0.4375
Flange Thickness	7/16"
353	Yes
3390	Performance
Header Finish	Natural
Header Style	Upright
10	409 Stainless Steel
30	No
2878	No
part type	Exhaust Header
1905	Round
Primary Tube Dia.	2-1/4 inch
Primary Tubing Diameter	2-1/4
10092	2.250
Product Type	Headers
1336	Semi-Gloss
Sub Category	Exhaust Manifolds
Tube Material	409 Stainless Steel
Tube Wall Thickness	16
Warning	California Proposition 65
Description_ABR	HDR BBC UPRI
Description_SHO	HDR SBC UPRIGT 2-1/4
Description_INV	BBC UPRIGHT HEADERS 2-1/4 IN W/ 4 IN COL
Description_DES	Flowtech Upright Headers
Description_EXT	Big Block Chevy 2-1/4" Upright Headers with 4" Collector- Natural Finish
Description_MKT	Flowtech Headers are the perfect combination of quality and value. These Big Block Chevy Upright headers available in 2-1/4" tube diameters are ideal for even big cubic inch Big Block Chevy engines
Description_FAB	CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing
Description_FAB	Heavy duty 16-gauge 409SS tubing for increased strength and durability
Description_FAB	2-1/4” tubing diameter for increased exhaust flow increasing performance and improved throttle response
Description_FAB	Extended 4” collector for maximum strength and exhaust flow
Description_FAB	Extra thick 7/16” header flange for a leak-free seal and maximum strength
Description_FAB	Welded-in collector merge spears to control exhaust gas re-entry into primary tubes
Description_FAB	Center of exhaust port to end of collector length is 33-1/2"
Description_ABR	HDR BBC UPRI
Description_SHO	HDR SBC UPRIGT 2-1/4
Description_INV	BBC UPRIGHT HEADERS 2-1/4 IN W/ 4 IN COL
Description_DES	Flowtech Upright Headers
Description_EXT	Big Block Chevy 2-1/4" Upright Headers with 4" Collector- Natural Finish
Description_MKT	Flowtech Headers are the perfect combination of quality and value. These Big Block Chevy Upright headers available in 2-1/4" tube diameters are ideal for even big cubic inch Big Block Chevy engines
Description_FAB	CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing
Description_FAB	Heavy duty 16-gauge 409SS tubing for increased strength and durability
Description_FAB	2-1/4” tubing diameter for increased exhaust flow increasing performance and improved throttle response
Description_FAB	Extended 4” collector for maximum strength and exhaust flow
Description_FAB	Extra thick 7/16” header flange for a leak-free seal and maximum strength
Description_FAB	Welded-in collector merge spears to control exhaust gas re-entry into primary tubes
Description_FAB	Center of exhaust port to end of collector length is 33-1/2"