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Flowmaster Super HP-2 SS Muffler - 12012409
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Flowmaster
SKU:
FLO12012409
|
- UPC:
- 700042030170
$169.95
$191.95
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$22.00
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Part details
- Part number
- FLO12012409
- Manufacturer part number
- 12012409
- UPC
- 700042030170
- Brand
- Flowmaster
- Part type
- Muffler
- Prop 65
- ⚠️ WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov
- Special order
- Yes — ordered in for you; allow extra time
- Instructions
- Installation instructions (PDF)
- Material
- 409 stainless steel
Installation guide (from Flowmaster)
Hosted by Flowmaster. Follow the maker's instructions and torque specs.
- Box size:
- 5.90 × 4.80 × 25.40 (in)
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- Klarna
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Read before you buy
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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 - 2.00 Center In. / 2.00 Center Out - Aggressive Sound
Flowmaster Super HP-2 Muffler 409SS
- Dyno Tuned For Maximum Performance
- Stainless Steel Construction
- Lifetime Limited Warranty
- Laminar Flow Technology
- Clearance Item:
- N
- LTL:
- N
- MPN:
- 12012409
- Proposition 65:
- Y
- Special Order:
- Y
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Flowmaster
Flowmaster Super HP-2 SS Muffler - 12012409
Flowmaster Super HP-2 SS Muffler - 12012409 FAQ
The maker's installation guide is on this page — see Installation guide under the part details for the step-by-step and the torque figures. Work on level ground with the car properly supported, and torque every fastener to the maker's figure. If the job is beyond your tools, any shop that does this kind of work can fit it.
The sound depends on the muffler and resonator design. A cat-back with a resonator stays closer to stock; an axle-back changes the tone more than the volume. Look for the maker's sound notes or a clip on this page.
Cat-back and axle-back systems bolt to the factory connection points. Headers and downpipes replace the factory pipe at the engine and may need new gaskets and hardware; see What's in the box.
A cat-back or axle-back needs no tune. Headers and downpipes change what the oxygen sensors see, so many cars need a tune or a sensor spacer to avoid a warning light.
Drone depends on the muffler and resonator design and your car's gearing. Systems with a resonator or an X-pipe drone less, and the maker notes when a system is built to be quiet at cruise.
An axle-back or cat-back is a jack-stands job with the right sockets and penetrating oil for rusty bolts. Headers and downpipes take more room and time, and a lift helps.
Most systems include the clamps and gaskets they need; see What's in the box. Reuse a factory gasket only if it is undamaged.
Yes — monthly options show right under the Add to Cart button. Affirm, Klarna, PayPal Pay Later and Snap Finance are offered at checkout, and checking what you qualify for does not affect your credit score.
Install and care: mufflers
Before you start
- Soak the factory flange bolts and hangers in penetrating oil the day before.
- Lay out the sections and clamps against What's in the box before anything goes under the car.
Do
- Hang the whole system loosely first, line it up, then tighten the clamps from the front back.
- Check for leaks at every joint with the engine running before the final tightening.
Don't
- Don't tighten any clamp fully until the whole system hangs straight.
- Don't reuse a crushed or torn factory gasket.