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Flowmaster has taken the laminar core of our classic HP-2 muffler and wrapped it in a new compact square case. The new Super HP-2 Series muffler offers the same great performance benefits and moderate tone that you would expect from our laminar flow mufflers, now in a new sleek styling. These mufflers are available in either a 409S stainless steel case or a polishable 304S stainless steel case and in sizes ranging from 2.00 in., 2.25 in. and 2.50 in. These mufflers are covered by Flowmaster’s Lifetime Limited Warranty.
Super HP-2 Muffler 409SS – 2.50 Center In./2.50 Center Out – Moderate Sound
SUPER HP-2 2.50 IN/OUT 18 IN. 409S
MUFF 2.50IN
Universal Muffler – Not a direct fit. Some adaptation required.
| Brand |
Flowmaster |
|---|---|
| Part Number (MPN) |
12518409 |
| SKU |
12518409 |
| UPC / GTIN |
700042030248 / 00700042030248 |
| Condition |
New |
| Disclaimer |
Yes |
| Body Height |
4.00 |
| Body Length |
18.00 |
| Body Material |
409 Stainless Steel |
| Body Width |
5.00 |
| California Proposition 65 Chemical Name |
Chromium (hexavalent compounds) |
| Category |
Exhaust |
| Clamps Included |
No |
| Emission Code |
5 |
| Exhaust Tip Quantity |
0 |
| Finish |
High-Temperature Paint |
| Fitment |
Universal |
| Grade Type |
Performance |
| Hanger Included |
No |
| Heat Shield Attached |
No |
| Inlet Connection |
Slip-Fit |
| Inlet Diameter |
2.50 |
| Inlet Inside Diameter |
2.50 |
| Inlet Location |
Center |
| Inlet Outside Diameter |
2.63 |
| Inlet Quantity |
1 |
| Inlet Type |
Weld-On |
| Muffler Series |
HP-2 Series |
| Muffler Type |
Laminar Flow |
| Outlet Connection |
Slip-Fit |
| Outlet Inside Diameter |
2.50 |
| Outlet Location |
Center |
| Outlet Outside Diameter |
2.63 |
| Outlet Quantity |
1 |
| Outlet Type |
Single |
| Overall Length |
24.00 |
| part type |
Exhaust Muffler |
| Product Type |
Street Mufflers |
| Reversible |
No |
| Shape |
Oval |
| Sound Level |
Moderate |
| Sub Category |
Mufflers |
| Tunable |
No |
| Vehicle Type |
Classic Muscle Car |
| Warning |
California Proposition 65 |
| Year |
1964 |
| Make |
Chevrolet |
| Model |
Bel Air |
| Body & Trim |
Base |
| Engine & Transmission |
4.6L V8 – Gas |
Vehicle Fitment
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