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FlowTech Shorty Headers, Black Painted 91835FLT

FlowTech Shorty Headers, Black Painted 91835FLT
$655.99 ea
NEWARRIVING SOONEstimated Ship Date 05/23/2025 (If Ordered Today)22 Available from HOLLEY PERFORMANCE PRODUCTS as of 05/04/2025
Model: 4006284
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 1
STORE PICKUP
[More Info]
These Flowtech headers fit 1999-2002 Chevy/GMC Sierra/Silverado/Suburban/Yukon/Escalade and 2003-2004 GM Pickup: 6.0L with EGR, 2WD and 4WD, Tube Size 1.625" O.D., w/EGR; Black Paint; 50-State Legal header CARB EO #D-115-16.
Features:
  • This is a 50-State Legal header C.A.R.B. EO #D-115-16.
  • Sturdy 16 gauge tubing
  • Extra thick 3/8” flanges for a leak-free seal
  • Designed as a direct fit replacement for factory exhaust manifolds
  • Will accommodate all emission control devices
  • Bolts directly to factory head pipe
  • Complete with premium gaskets and hardware
Breaking in an engine with ceramic coated headers WILL result in damage to the coating and will VOID all warranties. Ceramic coated headers require several heat cycles to fully cure before they will withstand extreme heat. Flowtech recommends using cast iron exhaust manifolds or old headers to break in new engines to avoid coating damage. Please call Flowtech tech services at 270-781-9741 for additional information regarding ceramic exhaust products. The use of header wraps can cause the header tubes to crack or rust due to excessive heat and moisture build-up. Flowtech does not recommend the use of header wraps as this will void the warranty.
Installation Notes:
Breaking in an engine with ceramic coated headers WILL result in damage to the coating and will VOID all warranties. Ceramic coated headers require several heat cycles to fully cure before they will withstand extreme heat. Flowtech recommends using cast iron exhaust manifolds or old headers to break in new engines to avoid coating damage. Please call Flowtech tech services at 270-781-9741 for additional information regarding ceramic exhaust products. The use of header wraps can cause the header tubes to crack or rust due to excessive heat and moisture build-up. Flowtech does not recommend the use of header wraps as this will void the warranty.

Downloads:

Download Name File Size
91835-3901flt.pdf143.73KB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Engine Fitment Notes
Chevrolet Silverado 1500 HD LS 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 1500 HD LT 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 1500 HD 2001 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
Chevrolet Silverado 1500 HD 2002 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
Chevrolet Silverado 1500 LS 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 1500 LT 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 1500 SS 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 1500 SS 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 2500 HD Base 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 2500 HD Base 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 2500 HD LS 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 2500 HD LS 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 2500 HD LT 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 2500 HD LT 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 2500 HD WT 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 2500 HD WT 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 2500 HD 2001 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
Chevrolet Silverado 2500 HD 2002 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
Chevrolet Silverado 2500 Base 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 2500 Base 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 2500 LS 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 2500 LS 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 2500 LT 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 2500 LT 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 2500 WT 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
Chevrolet Silverado 2500 1999 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
Chevrolet Silverado 2500 2000 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
Chevrolet Silverado 2500 2001 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
Chevrolet Silverado 2500 2002 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
Chevrolet Silverado 3500 2001 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
Chevrolet Silverado 3500 2002 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
Chevrolet Suburban 2500 2000 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
Chevrolet Suburban 2500 2001 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
Chevrolet Suburban 2500 2002 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
GMC Sierra 1500 HD SLE 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 1500 HD SLT 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 1500 HD 2001 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
GMC Sierra 1500 HD 2002 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
GMC Sierra 1500 Base 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 1500 Denali 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 1500 Denali 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 1500 SLE 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 1500 SLT 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 1500 WT 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 HD Base 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 HD Base 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 HD SLE 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 HD SLE 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 HD SLT 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 HD SLT 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 HD WT 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 HD WT 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 HD 2001 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
GMC Sierra 2500 HD 2002 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
GMC Sierra 2500 Base 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 Base 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 SLE 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 SLE 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 SLT 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 SLT 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 WT 2003 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 WT 2004 6.0L / 364 / V8 SHORTY; SMOG HEADERS; STANDARD; W/EGR; 50 STATES EMISSIONS LEGAL
GMC Sierra 2500 1999 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
GMC Sierra 2500 2000 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
GMC Sierra 2500 2001 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
GMC Sierra 2500 2002 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
GMC Sierra 3500 2001 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
GMC Sierra 3500 2002 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
GMC Yukon XL 2500 2000 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
GMC Yukon XL 2500 2001 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;
GMC Yukon XL 2500 2002 6.0L / 364 / V8 Shorty; Smog Headers; Standard; w/EGR; 50 States Emissions Legal;

Specifications:

Bolt Size M8 x 1.25 x 25mm, M8 x 1.25 x 25mm
C.A.R.B. EO # D-115-16
CARB (California) Compliant Yes
CARB EO# D-115-16
Collector Diameter 2.50 inch
Emission Code 1
Engine GM Small Block Gen III/IV (LS Based)
Header Finish Black Paint
Header Style Shorty
Part Type Exhaust Header
Primary Tube Dia. 1-5/8 inch
Product Type Headers
Proposition 65 www.P65Warnings.ca.gov
Tube Material Mild Steel

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