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Flowmaster 814123 Scavenger Series Elite Stainless Steel Header

(Chevrolet Silverado 1500 2002-14, Suburban 1500 2002-13, Silverado 2500 HD 2007-19, Tahoe 2002-13, Avalanche 1500 2002-06, Avalanche 2007-13 + 16 more models)

Part of: Flowmaster Scavenger Series Elite Stainless Steel Header

Other options in this family: Flowmaster 814112 Flowmaster 814321 Flowmaster 814211 Flowmaster 814226

Manufacturer

Picture for manufacturer Flowmaster

Part Number

814123
10 reviews
Sale Price

$949.95

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Flowmaster Scavenger Series Elite Header delivers exceptional performance gains through precision engineering and premium materials. Designed for serious enthusiasts seeking maximum horsepower and torque, this header combines dyno-tuned mandrel bends with professional-grade construction.

Key Features:

  • Premium stainless steel construction for superior durability and corrosion resistance
  • 3/8-inch thick laser-cut flanges ensure perfect sealing and long-term reliability
  • High-temperature ceramic coating provides thermal management and a premium finish
  • Dyno-tuned collector design optimized for maximum exhaust scavenging and performance
  • Proven power gains: 14 horsepower and 23 lb-ft torque on 2004 Silverado 5.3L testing

Flowmaster's Scavenger Series represents the pinnacle of header design, utilizing advanced exhaust flow dynamics to extract every ounce of performance from your engine. The thick laser-cut flanges eliminate warping and leaks, while the ceramic coating manages exhaust heat for improved underhood temperatures and long-lasting appearance.

Products specifications

Fits

Chevrolet Silverado 1500 2002-14, Suburban 1500 2002-13, Silverado 2500 HD 2007-19, Tahoe 2002-13, Avalanche 1500 2002-06, Avalanche 2007-13, Silverado 3500 HD 2007-19, Suburban 2500 2006-13, Silverado 1500 Classic 2007 + 13 more models

Attachment Method

Flanged

Automotive Item Grade

High Performance

Bolt Size

M8 x 1.25 x 25mm

Bolts/Studs Included

Yes

Brand

Flowmaster

C.A.R.B EO #

D-698

Prop 65

Yes

California Proposition 65 Chemical Name

Chromium (hexavalent compounds)

California Proposition 65 Chemical Name

Nickel (Metallic)

CARB (California) Compliant

Yes

Category

Exhaust

Clamping Type

Flat Band

Collector Attachment

Ball and socket flange

Collector Attachment

3-bolt flange

Collector Included

Yes

Color

Silver

Color/Finish

Silver Ceramic

Design

Shorty

EGT Port

No

Emission Code

1

Engine

GM Gen III/IV (LS)

Finish

Natural

Gasket Or Seal Included

Yes

Grade Type

Performance

Header Finish

Ceramic coated

Header Series

Scavenger Series Elite

Header Style

Shorty

Inlet Port Shape

Round

Main Piping Diameter

1.625

Material

Stainless Steel

Mounting Hardware Included

Yes

Outlet Diameter

2.50

Oxygen Sensor Port

No

Part Type

Exhaust Header

Primary Tube Dia.

1-5/8 inch

Primary Tubing Diameter

1-5/8"

Product Type

Headers

Reducers Included

No

Sheen Level

High Gloss

Sub Category

Exhaust Manifolds

Tube Gauge

16

Tube Lengths

Unequal Length

Warning

California Proposition 65

Wish I could see all the parts with a real representative picture

Least expensive around and previous experiences make me not shy to buy from again.

Easy.

Wow. Great Price and extremely fast shipping. I had a CS question and they replied promptly and satisfactorily. I will definitely buy from Autoplicity again.

Very good price. Super quick delivery. Will def. buy from them again. Highley recomend them

Grate

I will be back with you guys

great prices, fast shipping

Good price, quick shipping, no instant refund though!

had what I wanted in stock for the best price possible! Was delivered within days! Good goin Autoplicity!

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