Long Tube Headers 4.8L 5.3L 6.0L for 1999-2006 Chevy/GMC GMT800 Silverado/Sierra/Avalanche 1500 Y-Pipe 2WD

FLASHARK Y-Pipe Long Tube Headers for 1999-2006 Chevy/GMC GMT800 Silverado/Sierra/Avalanche 1500 (2WD) 4.8L, 5.3L, 6.0L

Unlock the full potential of your 1999-2006 Chevy/GMC GMT800 Silverado/Sierra/Avalanche 1500 with FLASHARK Long Tube Headers 5.3 99-06. Specifically designed for 4.8L, 5.3L, and 6.0L engines, these headers optimize exhaust flow, improving horsepower and torque for superior engine performance. The high-quality stainless steel construction and precise TIG welded CNC machined flanges ensure durability and a perfect fit for 2WD models, while the included Y-pipe ensures efficient exhaust routing.

These headers are engineered for maximum flow and performance, making them the ideal choice for drivers looking to enhance their truck's sound, power, and overall driving experience. Whether you're upgrading your engine or seeking better exhaust flow, FLASHARK Long Tube Headers provide the performance boost you need for your 1999-2006 Chevy/GMC vehicle.

Vehicle Fitment:

• 1999-2006 Chevrolet Silverado 1500 (2WD) 4.8L, 5.3L, 6.0L
• 1999-2006 GMC Sierra 1500 (2WD) 4.8L, 5.3L, 6.0L
  
• 2002-2006 Chevrolet Avalanche 1500 (2WD) 4.8L, 5.3L, 6.0L

Perfectly designed long tube headers to enhance your truck's performance, with optimized fitment for 4.8L, 5.3L, 6.0L engines in 1999-2006 models.

Note: If using a larger 4L80E transmission the bellhousing ears may need to be trimmed for proper clearance.
Note: Earlier 2500s might have fitment issues due to chassis being designed from previous years.

Specifications:

Brand Name: FLASHARK
Certificate: ISO9001:2000
Placement on Vehicle: Front
Color: Black, Silver
Surface: Mirror Polish
Header Inlet/Outlet Size (IN):1.83" / 2.84"
2 x 4-1 manifolds connecting into a 3" Y-pipe
TIG welded CNC machined flange
Bolt-on installation
Professional Installation is Highly Recommended
Model: EH28917(ES08207) EH28903(ES08356)
Application: Automobile Exhaust Header

If you like 1999-2006 4.8L, 5.3L, 6.0L Long Tube Headers, please feel free to buy it; after purchasing, you can always contact us for a full refund if you don't want it;

Purchase instructions: professional installation is highly recommended, and while most of the time these exhaust systems work perfectly together, occasionally a slight modification to the exhaust system is required to achieve the perfect fit.

Features:

1.100% Brand new, never been used.
2. Made of high quality T-201 or T-304 or T-409 stainless steel.( According you requirements)
3. TIG welded CNC machine flan
4. Increase high flow air, instantly gain 10 to 15 Hp. / Tq.
5. Improve Sound, Horsepower & Torque
6. Mandrel-Bent For Maximum Performance
7. TIG Weld & Polished Stainless Steelge.
8. Polished finish surface.
9. Direct bolt-on, no modification needed.
10. High-quality aftermarket parts.
11. Professional workmanship.
12. Strict quality control during the process.
13. The item is the same as the picture shown.
14. All necessary hardware, bolts, and gaskets

These long tube headers are engineered for durability and performance, ensuring your 1999-2006 4.8L, 5.3L, and 6.0L engines operate at their peak. With our headers, you can expect a noticeable improvement in exhaust flow, enhanced engine sound, and increased horsepower. 

Packing List:

1 x set of header exhaust with Y-pipe
Just as the pictures shown

Delivery:

Free Shipping; 
Shipping Time: Estimated in 3-5 Working Days

NOTE:

(1)It would be highly appreciated if you might contact us first once you have any problems concerning the items. And you can expect all the issues would be resolved ASAP!
(2)Please let us know before you send us the neutral/negative feedback that wont help to finish the issues. And I will try my best to provide the best solutions which would meet our satisfactory!

Sharing from @ErikRose: LONGTUBE HEADERS ON THE CAMMED SILVERADO 5.3L SOUNDS LIKE A NASCAR

Sharing from @lmfscrew: Long Tube Header Complete Install

🎥Installation Video

FAQ

Q: Will these headers fit my 4WD vehicle?

A: No, these headers are specifically designed for 2WD vehicles only. If you have a 4WD truck, these headers will not fit, and modifications are not recommended.

Q: Are these headers made from high-quality steel?

A: Yes, these headers are constructed from T-201 or T-304 stainless steel, depending on your preference. They are TIG welded for maximum durability and performance.

Q: Will these headers fit my 2005 Silverado 2500 6.0L?

A: Unfortunately, these headers are designed specifically for the 1500 model. They will not fit the 2500 models due to differences in chassis design and exhaust system configurations.

Q: Do I need to modify anything for installation?

A: While these headers are designed for bolt-on installation, slight modifications may be necessary depending on your vehicle's setup. Professional installation is highly recommended to ensure a proper fit.

Q: Are these headers legal for use in California?

A: These headers are designed for off-road use only and may not meet California's emission standards. We recommend checking local laws if you're planning to use them on the street.

These FAQs help to address key concerns and clarify important aspects of the product, assisting customers in making an informed purchase decision.