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-11%

Flowtech 11575FLT Shorty Headers, GM LS Universal, Natural

-11%

Flowtech 11575FLT Shorty Headers, GM LS Universal, Natural
Flowtech Exhaust

|

#42511575FLT

Flowtech 11575FLT Shorty Headers, GM LS Universal, Natural

  • Headers are made of 304 stainless steel and are available in both natural and polished finishes
  • These universal rear exit shorty headers will fit GM LS1, LS2, LS3, LS6, LSX engines
  • Has 1-5/8” mandrel bent primary tubes and 2-1/2” collectors
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$299.95

/each

In Stock

$337.95

Save $38.00


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Product Summary

Universal Fit, Shorty Header Tube Type, Stainless Steel

  • Headers are made of 304 stainless steel and are available in both natural and polished finishes
  • These universal rear exit shorty headers will fit GM LS1, LS2, LS3, LS6, LSX engines
  • Has 1-5/8” mandrel bent primary tubes and 2-1/2” collectors
  • Features 3/8” thick header flanges for a leak-free seal
  • Comes with 2-1/2” reducers with oxygen sensor bungs
See more details

Key Specs

MFG. Part #11575FLT
Header Tube TypeShorty
Exhaust Port ShapeRound
Flange StyleStandard
Primary Tube Diameter1-5/8"
See more specs

Need To Know

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855.313.9176
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Quick and Easy Returns

Return Policy

Flowtech Exhaust 11575FLT Details

Flowtech Exhaust products are the perfect combination of quality and value. We are proud to offer these Universal LS Swap Headers with 1-5/8" primaries and 2-1/2" collectors. These headers are made of 304 stainless steel and are available in both natural and polished finishes.

  • Universal rear exit shorty headers for GM LS1, LS2, LS3, LS6, LSX engines
  • 1-5/8” mandrel bent primary tubes and 2-1/2” collectors
  • 3/8” thick header flanges for a leak-free seal
  • Premium gaskets and hardware included
  • LS header bolts available separately
  • 2-1/2” reducers with oxygen sensor bungs included
  • Available in natural 304 stainless steel and polished 304 stainless steel

Guides & Documents

Choosing the Right Headers

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.
CA Prop 65
CARB warning

Flowtech Exhaust 11575FLT Specifications

KEY SPECS
MFG. Part #11575FLT
BrandFlowtech Exhaust
Header Tube TypeShorty
Exhaust Port ShapeRound
Flange StyleStandard
Primary Tube Diameter1-5/8"
Material TypeStainless Steel
ColorNatural
Weld-UpNo
Collector Diameter2-1/2 Inch
FinishRaw
Hardware IncludedYes
Gasket(s) IncludedYes
Collector Reducers IncludedYes
Collector Reducer Exit Diameter2.5"
Collector Attachment Type3-bolt flange
GENERAL
Sold in QuantityPair
GTIN Code090127040201

Ratings & Reviews

4.4

5 Reviews

Overall Assessment

Customers are mainly impressed with the quality and practicality of our product. Specifically, they have highlighted how well-built and robust the product is. Despite needing occasional minor modifications for an ideal fit, customers appreciate the design aspect, notably the feature of stepped-up, 1.75" primary tubes through the flanges for no port alignment issues. Compared to competitor offerings, our product provides superior material precision, ensuring higher user satisfaction.

Write A Review

4.4

5 reviews

5

3

4

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3

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2

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I would not buy again.

3.0

3 months ago

Terry

Agency Iowa

Verified

I can't change plugs without removing the headers. if it can be done I can't do it.

Would Not Recommend

Great quality great price

5.0

a year ago

T Boone

Salida, CO

Verified

Love the natural stainless finish. Fit great on my 6.0 LS swapped into a 1974 Chevy K20 frame. Sounded great right out of the headers excited to get the rest of my exhaust built!

Would Recommend

Would buy again

5.0

2 years ago

Joe

Texas

Verified

Good looking set of headers

Would Recommend

Headers on an LS3

4.0

2 years ago

Garage

Oregon

Verified

Installed on an LS3 had to do some minor trimming to the bottom casting ear on the Block to clear flange does however rub on the bell housing mounting surface needs to be ground down a little bit well built product but not a direct fit we'll need some modifications

Would Recommend

Great deal!

5.0

4 years ago

DJ

MN

Verified

Primary tubes are stepped up to 1.75'' through the flanges so no port alignment issues!

Would Recommend

Showing 5 of 5 reviews

Fitment

  • GM LM4

  • GM LS6

  • GM LS2

  • GM LSA

  • GM LM7

  • GM LQ9

  • 6.2 Chevy LS V8

  • GM LM7

  • GM LQ9

  • 6.2 Chevy LS V8

  • GM LM7

  • GM LQ9

  • 6.2 Chevy LS V8

  • GM L76

  • GM LC9

  • GM LMG

  • GM LY5

  • GM LY5

  • GM LM7

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • GM LS1

  • GM LS3

  • GM LS1

  • GM LS1

  • GM LS6

  • GM LS2

  • GM LS3

  • GM LS4

  • GM LS4

  • 4.8 Chevy LS V8

  • GM LM7

  • 4.8 Chevy LS V8

  • GM L20

  • GM LM7

  • GM LY2

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ9

  • GM LQ4

  • GM LM7

  • GM LQ4

  • GM LQ9

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LS3

  • GM LM4

  • GM LMG

  • GM LY5

  • GM LM7

  • GM L59

  • GM LM7

  • GM LC9

  • GM LMG

  • GM LY5

  • GM LC9

  • GM LMG

  • GM LMG

  • GM LY5

  • GM LQ4

  • GM LMG

  • GM LY5

  • 4.8 Chevy LS V8

  • GM L59

  • GM LM7

  • 4.8 Chevy LS V8

  • GM LMG

  • GM LY5

  • 6.2 Chevy LS V8

  • GM LC9

  • GM LMG

  • GM LC9

  • GM LMG

  • GM LMG

  • GM LY5

  • GM LH6

  • GM LS2

  • GM LM4

  • GM LM4

  • GM LM4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • GM L20

  • GM LC9

  • GM LMG

  • GM L33

  • GM L59

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L20

  • GM LM7

  • GM LY2

  • GM LC9

  • GM LMG

  • GM LM7

  • GM L59

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • 6.2 Chevy LS V8

  • GM LH8

  • GM LH8

  • GM LS1

  • GM LS3

  • GM LS1

  • GM LS2

Customer Impersonation Script