Flowtech 11585FLT GM V6 O-Port Upright Headers, 1-1/2 In Primary

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Mandrel bent tubes provide consistent tubing diameters for better exhaust pulse flow and improved performance
1-1/2 in. primary diameter for increased exhaust flow and improved throttle response
Heavy duty 16-gauge 409 Stainless Steel used for strength and durability

$174.95

Factory Shipped

This part will be shipped by the manufacturer. We estimate this item will ship on or before April 4th.

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Product Summary

2.8, 3.1, 3.4, Upswept Header Tube Type, Raw, Natural

Mandrel bent tubes provide consistent tubing diameters for better exhaust pulse flow and improved performance
1-1/2 in. primary diameter for increased exhaust flow and improved throttle response
Heavy duty 16-gauge 409 Stainless Steel used for strength and durability
10 in. long, 2.5 in. collector improves exhaust flow
3/8 in. thick header flange for a leak-free seal and maximum strength

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Key Specs

Header Tube Type	Upswept
Finish	Raw
Flange Style	Standard
Primary Tube Diameter	1-1/2"
Material Type	409 Stainless Steel

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Flowtech Exhaust 11585FLT Details

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.

Features:

Mandrel bent tubes provide consistent tubing diameters for better exhaust pulse flow and improved performance
1-1/2 in. and 1-5/8 in. primary diameters available for increased exhaust flow and improved throttle response
Heavy duty 16-gauge 409 Stainless Steel used for strength and durability
10 in. long, 2.5 in. collector improves exhaust flow
3/8 in. thick header flange for a leak-free seal and maximum strength
Available for both round and D-port exhaust ports
Header gaskets included

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CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

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CARB warning

Flowtech Exhaust 11585FLT Specifications

KEY SPECS
MFG. Part #	11585FLT
Brand	Flowtech Exhaust
Header Tube Type	Upswept
Finish	Raw
Flange Style	Standard
Primary Tube Diameter	1-1/2"
Material Type	409 Stainless Steel
Color	Natural
Weld-Up	No
Exhaust Port Shape	Round
Collector Diameter	2-1/2 Inch
Hardware Included	No
Gasket(s) Included	Yes
Collector Attachment Type	Slip-fit
Collector Reducers Included	No

GENERAL
Tube Length	20"
Collector Length	10"
Flange Thickness	0.375"
Sold in Quantity	Pair
GTIN Code	090127072943
Catalytic Converter(s) Included	No
Tuned	No
Crossover Pipe Included	No
Motor Mounts Included	No
Transmission Mount Included	No
Primary Tube Gauge	16-gauge