Buy Flowmaster 12412400 HP-2 Shortie Muffler 409S - 2.25 Center IN / 2.25 Center OUT 12.00 in. CaseFlowmaster 12412400 HP-2 Shortie Muffler 409S - 2.25 Center IN / 2.25 Center OUT 12.00 in. Case Product Description:
- Stainless 409S case painted
- Patented laminar flow technology
- Cool shell for reduced radiant heat
- Compact design
- Internal components are 409S stainless steel
Product Description
The HP-2 line of mufflers utilize Flowmaster's revolutionary new Hushpower core design and deliver a moderate sound level with a rich traditional tone. Featuring a distinctive narrow case profile, the mufflers utilize Cool Shell Technology which minimizes radiant heat from the muffler body. Perfect for applications such as street rods, customs and rock crawlers that have limited space or can't fit a traditional oval shape muffler. Constructed with stainless steel materials and fully welded for maximum durability.
Customer Reviews
Most helpful customer reviews
3 of 3 people found the following review helpful.
By PatriotJC
I bought these for my 2010 Dodge challenger and they are awesome. I had Flowmaster super 44s put on it and removed the factory resonators. The super 44s sounded great but the drone around 2000 RPMs (cruising hwy speed) was pretty bad. I had a difficult time finding some resonators to replace the factory ones with and decided to go with these. They're actually marketed as a muffler but I called flowmaster and they confirmed that the shorties were designed to be resonators. In fact, the box they came in says "resonator." They sound great! This is exactly the sound I wanted. They give a great deep tone and completely eliminate the hwy drone. You can still hear the aggressiveness of the super 44s (especially on acceleration) but these have taken the edge off considerably. If you are wanting a tuned sound that has a deep bassy low pitched hum, these are great. They don't make it too quiet either. I would say that if my car was an 8/10 before at its loudest, it is now more like a 6/10 at its very loudest. The best part is, it hums very pleasantly while cruising on the hwy with no annoying drone (about a 3/10) and it actually sounds better with the resonators. Overall, great resonators to eliminate drone and improve quality and quantity of sound. It will be a little quieter but it will sound better.
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