
Flowtech 11575FLT Shorty Headers GM LS Engine Swap
Flowtech designed these 11575FLT Shorty Style Headers specifically for GM LS Engine Swaps. Made from 304 Stainless Steel, they have 1-5/8” mandrel bent primary tubes, 2-1/2” collectors and a universal fit for GM LS1, LS2, LS3, LS6, LSX engines.
The 3/8” thick header flanges provide a leak-free seal, and the 2-1/2” reducers feature oxygen sensor bungs.
Premium gaskets and collector hardware come included.
Flowtech Exhaust products are the perfect combination of quality and value!
Flowtech 11575FLT Headers Features:
- Header Style: Shorty
- Primary Tube Diameter: 1.625 in.
- Collector Diameter: 2.500 in.
- Collector Attachment: 3-Bolt Flange
- Flange Thickness: 0.375 in.
- Material: 304 Stainless Steel
- Finish: Natural
- Gaskets Included: Yes
- Hardware Included: Yes
- Quantity: Sold as a pair
A division of Holley, Flowtech focuses on high-performance exhaust components. Their easy-to-install products range from headers and manifolds to mufflers to complete systems, all designed to give performance and audible gains all at a very affordable cost.
Original: $299.95
-65%$299.95
$104.98More Images




Flowtech 11575FLT Shorty Headers GM LS Engine Swap
Flowtech designed these 11575FLT Shorty Style Headers specifically for GM LS Engine Swaps. Made from 304 Stainless Steel, they have 1-5/8” mandrel bent primary tubes, 2-1/2” collectors and a universal fit for GM LS1, LS2, LS3, LS6, LSX engines.
The 3/8” thick header flanges provide a leak-free seal, and the 2-1/2” reducers feature oxygen sensor bungs.
Premium gaskets and collector hardware come included.
Flowtech Exhaust products are the perfect combination of quality and value!
Flowtech 11575FLT Headers Features:
- Header Style: Shorty
- Primary Tube Diameter: 1.625 in.
- Collector Diameter: 2.500 in.
- Collector Attachment: 3-Bolt Flange
- Flange Thickness: 0.375 in.
- Material: 304 Stainless Steel
- Finish: Natural
- Gaskets Included: Yes
- Hardware Included: Yes
- Quantity: Sold as a pair
A division of Holley, Flowtech focuses on high-performance exhaust components. Their easy-to-install products range from headers and manifolds to mufflers to complete systems, all designed to give performance and audible gains all at a very affordable cost.
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Description
Flowtech designed these 11575FLT Shorty Style Headers specifically for GM LS Engine Swaps. Made from 304 Stainless Steel, they have 1-5/8” mandrel bent primary tubes, 2-1/2” collectors and a universal fit for GM LS1, LS2, LS3, LS6, LSX engines.
The 3/8” thick header flanges provide a leak-free seal, and the 2-1/2” reducers feature oxygen sensor bungs.
Premium gaskets and collector hardware come included.
Flowtech Exhaust products are the perfect combination of quality and value!
Flowtech 11575FLT Headers Features:
- Header Style: Shorty
- Primary Tube Diameter: 1.625 in.
- Collector Diameter: 2.500 in.
- Collector Attachment: 3-Bolt Flange
- Flange Thickness: 0.375 in.
- Material: 304 Stainless Steel
- Finish: Natural
- Gaskets Included: Yes
- Hardware Included: Yes
- Quantity: Sold as a pair
A division of Holley, Flowtech focuses on high-performance exhaust components. Their easy-to-install products range from headers and manifolds to mufflers to complete systems, all designed to give performance and audible gains all at a very affordable cost.











