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FlowTech LS Swap Exhaust Manifolds, Natural Cast Finish 11730FLT

FlowTech LS Swap Exhaust Manifolds, Natural Cast Finish 11730FLT
FlowTech LS Swap Exhaust Manifolds, Natural Cast Finish 11730FLTFlowTech LS Swap Exhaust Manifolds, Natural Cast Finish 11730FLTFlowTech LS Swap Exhaust Manifolds, Natural Cast Finish 11730FLTFlowTech LS Swap Exhaust Manifolds, Natural Cast Finish 11730FLTFlowTech LS Swap Exhaust Manifolds, Natural Cast Finish 11730FLTFlowTech LS Swap Exhaust Manifolds, Natural Cast Finish 11730FLTFlowTech LS Swap Exhaust Manifolds, Natural Cast Finish 11730FLTFlowTech LS Swap Exhaust Manifolds, Natural Cast Finish 11730FLTFlowTech LS Swap Exhaust Manifolds, Natural Cast Finish 11730FLTFlowTech LS Swap Exhaust Manifolds, Natural Cast Finish 11730FLT
$374.99 ea
NEWARRIVING SOONEstimated Ship Date 05/27/2025 (If Ordered Today)43 Available from HOLLEY PERFORMANCE PRODUCTS as of 05/07/2025
Model: 4006350
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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These Flowtech cast iron exhaust manifolds have a 2.25-inch outlet, natural cast finish, and are designed to hug close to the engine block so they fit into a wide variety of replacement and engine-swap applications at a budget-friendly price. Being cast iron means they will provide years of leak-free performance with less under hood noise than traditional headers. Plus, their shorty design means you can route exhaust tubing close to your frame/floor pan for maximum ground clearance.
Features:
  • Intended for GM LS engine swap applications where durability and leak-free sealing is desired at a budget-oriented price
  • Nickel plated steel mating flanges included (mating flange fasteners are not included)
  • 2.25 inch outlet diameter offers improved flow for maximum performance from a cast iron exhaust manifold
  • 2 bolt exit flange configuration matches the E-rod exhaust manifolds for a factory like fitment. This allows the use of factory gaskets and fasteners if desired, for an original quality seal and fitment
  • Cast from Hi-Silicon-Moly Ductile Iron to provide durability and corrosion resistance
  • Tight tuck design provides universal fit for most popular chassis and a clean traditional muscle car appearance
  • Available in plain as-cast finish or with black or silver ceramic coatings for reduced engine compartment temps and improved corrosion resistance

Downloads:

Download Name File Size
199r11993.pdf332.03KB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Fitment Notes
Chevrolet Camaro Base 1970 - 1980 LS Swap
Chevrolet Camaro Berlinetta 1979 - 1981 LS Swap
Chevrolet Camaro LT Rally Sport 1976 - 1978 LS Swap
Chevrolet Camaro LT 1973 - 1978 LS Swap
Chevrolet Camaro RS 1970 - 1975 LS Swap
Chevrolet Camaro Rally Sport 1976 - 1980 LS Swap
Chevrolet Camaro SS 1970 - 1972 LS Swap
Chevrolet Camaro Sport 1981 LS Swap
Chevrolet Camaro Z28 1970 - 1981 LS Swap
Pontiac Firebird Base 1970 - 1981 LS Swap
Pontiac Firebird Esprit 1970 - 1981 LS Swap
Pontiac Firebird Formula 1970 - 1981 LS Swap
Pontiac Firebird Trans Am 1970 - 1981 LS Swap

Specifications:

Application Multi-fit
Bolt Size M8 x 1.25 x 25mm, M8 x 1.25 x 25mm
Choose Your Part Manifold
Collector Diameter 2.25 inch
Emission Code 8
Engine GM Small Block Gen III/IV (LS Based)
Exhaust Manifold Style Standard Swap
Finish Natural
Header Style Manifold
Material Cast Iron
Part Type Exhaust Manifold
Primary Tube Dia. 1-3/4 inch
Product Type Manifold
Proposition 65 www.P65Warnings.ca.gov
Subframe Stock
Tube Material Cast Iron
Type of Component Manifold

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