Skip to main content

Flowtech Shorty Headers - Black Painted

Part # 11143FLT Be the first to write a review

Fits 2003-2013 Chevy/GMC Silverado/Tahoe/Yukon 1 7/8" Shorty Header 2WD/4WD equipped with 6.0L LS V8 Engine

Read More

Flowtech Shorty Headers - Black Painted

In Stock
Free Shipping - Lower 48 US States
$531.95
Add to Wishlist

Flowtech Headers are the perfect combination of quality and value. This shorty style header is popular for "LS-Engine" swap projects. They fit the popular 03-13 Chevy Silverado/Tahoe/Yukon V-8 6.0L, 2WD/4WD.

Features:

  • Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
  • Heavy duty 16-gauge tubing for increased strength and durability
  • Smooth transition, 1-7/8” diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
  • OE style 2-1/2” collector connects to factory exhaust head pipe with no cutting or welding
  • TIG-welded, machined 3/8” header flange for a leak-free seal and maximum strength
  • Premium aluminum header gaskets included
  • Coated in high heat resistant black paint
  • Headers are a must upgrade if you are using a cold air intake, cat-back exhaust system or tuner

About Flowtech Exhaust

Flowtech provides high-quality performance exhaust systems at a great value. Explore our lineup of headers, mufflers, and exhaust systems at our official retailer, Holley.com!​

Air Injection TubesNo
Bolt SizeM8 x 1.25 x 25 MM
Bolts IncludedYes
Brand Flowtech Exhaust
California Proposition 65Yes
CARB (California) CompliantNo
Catalytic Converter Quantity0
CategoryExhaust
Collector Attachment3-Bolt Flange
Ball and Socket Flange
Collector Diameter2.50 IN
Collector Port Diameter2.50 IN
Collector Reducer IncludedNo
Collector Reducer Outlet DiameterN/A
ColorBlack
DesignShorty
Drive2WD
4WD
EGT PortNo
Emission Code4
EngineGM Gen III/IV (LS)
FinishPainted
Flange Thickness0.375 IN
0.4375 IN
3/8 IN
7/16 IN
Gasket Or Seal IncludedYes
Grade TypePerformance
Header SeriesShorty
Header StyleShorty
MaterialMild Steel
Mounting Hardware IncludedYes
Oxygen Sensor PortNo
Part TypeExhaust Header
Port ShapeRound
Primary Tubing Diameter1 7/8 IN
1.875 IN
Product TypeHeaders
QuantitySold as a Pair
Sheen LevelSatin
Sub CategoryExhaust Manifolds
Tube Wall Thickness16 GU
UPC090127723081
Part Number11143FLT
4

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

For extra plug wire clearance on cylinder 6, use a 90 degree plug boot angle. See Accel part 170901C.
Reviews

    Your Review

    *Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.

    Flowtech Shorty Headers - Black Painted
    Flowtech Shorty Headers - Black Painted
    $531.95