Flowtech 11575FLT Exhaust Header
Flowtech 11575FLT Exhaust Header
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Flowtech

Flowtech 11575FLT Exhaust Header

3.7 stars out of 3 reviews
(3.7)|
3 ratings
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Key item features

  • Engine Compatibility: Universal rear exit shorty headers designed for GM LS1, LS2, LS3, LS6, and LSX V8 engines, facilitating broad application.
  • Optimal Dimensions: Features 1-5/8 inch mandrel bent primary tubes and 2-1/2 inch collectors, ensuring efficient exhaust flow.
  • Robust Flanges: Equipped with 3/8 inch thick header flanges, providing a secure and leak-free seal for enhanced durability.
  • Complete Hardware: Includes premium gaskets and all necessary hardware for a straightforward installation process.
  • Oxygen Sensor Ready: Comes with 2-1/2 inch reducers that incorporate oxygen sensor bungs for convenient sensor integration.
  • Durable Material: Constructed from 304 stainless steel, available in both natural and polished finishes for lasting performance and aesthetic choice.
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Columbus, 43215
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4.4071428571428575 stars out of 5, based on 280 seller reviews(4.4)
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3.7 out of 5 stars
stars3 ratings3 reviews
How item rating is calculated
  1. 5 stars33% (1)
  2. 4 stars33% (1)
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Showing 1-3 of 3 reviews

Apr 5, 2021
GZ123
5 out of 5 stars review

Excellent quality parts.

Bought these shorty headers for a LS swap into a project vehicle. They worked for me.

Review from jegs.com
Helpful?3SMW93RH64UW622722450
Jun 30, 2025
William
4 out of 5 stars review

Verified Purchase

Have not yet installed them on the car. But the shipping process was well done.

Helpful?3SMW93RH64UW622722450
May 30, 2025
Chris
2 out of 5 stars review

Doesn't fit stock vehicle

Weld and material quality seems very good. Figment on oem projects isn't great. Does not fit 2009 Tahoe with 5.3l engine: exhaust manifold bolts provided don't thread into head, header hits fire wall, requires different header to cat flange be welded on, angle of header points exhaust directly into front drive shaft on left side and hits bell housing on the right side. Also I don't think they are designed to be used on engines with spark plugs. I had to buy different plug wires, which still touch the manifold, and I hope won't melt while driving. These headers look cool but don't fit well.

Review from jegs.com
Helpful?3SMW93RH64UW622722450