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![Turbo Header for GM LS Engine Swap Applications [Natural]](https://www.jegs.com/images/mini_750/300/387/387-11537flt.jpg)
Vehicle Info NeededFLOWTECHPART NUMBER: 387-11537FLT
Turbo Header for GM LS Engine Swap Applications [Natural]
$29995
Ships on Sep 07, 2026
Lowest Price GuaranteeTurbo Exhaust HeaderGM LS Engine Swap Applications 1 7/8 In. Primary Tubes, 3.00 In. Collector 304 Stainless Steel Construction Natural Finish Sold As a Pair
A direct swap for the factory manifold on GM LS engines, this header uses larger-diameter primary tubes to reduce backpressure.
Construction and Finish:
- 1 7/8 in. primary tube diameter for optimized exhaust velocity.
- 3.00 in. collector diameter for a smooth transition into the exhaust system.
- 304 Stainless Steel construction with a natural finish for durability.
- Sold as a Pair, complete with mounting hardware and gaskets for installation.
Part TypeHeader
BrandFLOWTECH
Part CategoryPerformance Parts
Header Flange Thickness0.4375 in.
ColorSilver
QuantityPair
Material304 Stainless Steel
Engine Make/SizeGM Gen III/IV (LS)
Port ShapeRound
Carb CompliantNo
Collector Diameter3.00 in.
Part FitmentUniversal
FinishNatural
Header StyleTurbo
Grade TypePerformance
Primary Tube Diameter1 7/8 in.
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
