FLOWTECH
FLOWTECH LS SWAP EXHAUST MANIFOLDS – BLACK CERAMIC FINISH
Multi-fit – 2.25 in. Outlet
Part # 31730-3FLT
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 OE quality seal and fitment to emissions devices
- 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
| Application | Multi-fit |
|---|---|
| Bolt Size | M8 x 1.25 x 25mm |
| Brand | Flowtech |
| Choose Your Part | Manifold |
| Collector Diameter | 2.25 inch |
| Emission Code | 8 |
| Engine | GM Small Block Gen III/IV (LS Based) |
| Finish | Black Ceramic |
| Header Finish | Black Ceramic |
| Header Style | Manifold |
| Material | Cast Iron |
| Primary Tube Dia. | 1-3/4 inch |
| Product Type | Manifold |
| Subframe | Stock |
| Tube Material | Cast Iron |
| Type of Component | Manifold |
| UPC | 090127074077 |
| Part Number | 31730-3FLT |
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