This is a review of the Power Pulse Exhaust System w/ standard connecting pipe.
TOOLS: I think you only need a ratchet with a 14 socket, but you must soak up the 02 sensor with WD40 to remove it.
QUALITY: The quality is great, the welds are clean and its all stainless steel w/ a polished muffler & tip. It's a bit heavier than the OEM unit, which weights about 22lbs. The RB exhaust system weighs in about 27lbs plus or minus 1lbs, but it's a bigger exhaust system.
FITMENT: Although I had to remove my aftermarket rear right tow hook, because it kept hitting the muffler, the exhaust system fits like a glove.
PERFORMANCE: I didn't buy this for the performance. Racing Beat claims 3.2hp on the dyno, but that's not something that you can feel. I did noticed that my power band moved up by 500rpm. My Miata usually starts picking up at around 4k rpm before I installed this exhaust, so about 4500rpm is the new sweet spot. Due to the increased flow of this new shiny beauty, I would expect real performance gains from the Racing Beat system if paired with a TURBO.
SOUND: Although I'm still in the "Beak In Process", the RB System sound almost as quiet as the OEM unit. Pretty nice with no raspy sound. There is a very mild drone, but you can still hold a conversation with your passenger. This is by far the quietest muffler I have ever owned. I will continue to update the sound when I reach about 500 miles on this new muffler.
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