Long Tube Headers for 1999-2006 Chevy Silverado/Avalanche/GMC Sierra 1500 4.8L/5.3L/6.0L with Optional Cold Air Intake

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Usually ships from our US warehouse. If out of stock, items will be shipped from our international partners (delivery in 3–14 business days).

We hope you love what you've ordered! But just in case you're not 100% satisfied.

We've made the return process super easy. If for any reason you are unhappy with your order or should you wish to return or exchange a product then please contact us at service@toptuningboost.com at any time from Monday to Friday within 30 days after you received the item.

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

Long Tube Headers for 1999-2006 Chevy Silverado/Avalanche/GMC Sierra 1500 4.8L/5.3L/6.0L with Optional Cold Air Intake

FLASHARK Long Tube Headers are designed specifically for 1999-2006 Chevy/GMC 1500 models with 4.8L, 5.3L, and 6.0L engines. These headers improve exhaust flow, delivering a 10-15 horsepower and torque boost, optimizing acceleration and overall engine performance. Crafted from high-quality stainless steel with TIG-welded CNC-machined flanges, they offer durability and a perfect fit. The 3" Y-pipe ensures improved exhaust efficiency, delivering a more aggressive sound.

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!

🎥Installation Video