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Like you can use 800 WHP on the street anyway. You won't miss 50 HP. I am unsure who you are arguing with because I agree with you. Put this on, you'll be down 20-40 HP depending on your setup and have a car that is more livable and more pleasant to be in.
These are not performance mufflers for the level of power most V8 cars make. These are performance mufflers for a car made 20 years ago making 250HP. There is a difference. A stock 5.3 truck LS makes 300 HP, and a single 3 inch is considered "adequate" for performance in that application.
Bullshit. It is a straight through muffler that will 'Y' into the twin tips.
I've had this on a 402 with a turbo, and with a F1A and made over 800 to the wheels. Throttle response was excellent, and still boosted over 20psi. I've had it on a dual into 3", and 4" to 3-1/2" to 3". The limit of the 3" pipe is what kills power, and/or bends that are short radius/kinked/or smaller than 3".
The muffler is completely at the back of the exhaust where the gas is the coolest, and restriction is minimal. Yes a completely 3" straight-through exhaust would make more power, but minimal gains, and this muffler is way more quiet with no drone. Don't bore me with bs numbers you have seen on a dyno.
This site, as well as RX7Club, has become absolutely retarded when it comes to people invading someone's sale thread. Let the person sell his goods and get lost.
If you need to know what 17 different people think of a product, don't buy it, just move on.
I would not classify a dual tip y with reduced core size as a "straight through" although by definition of a straight path through the muffler... sure.
No one has interfered negatively at all and no one said your car was not fast or didn't make power snowflake. The quieter a muffler the more restrictive it is, almost universally. And no, the pipe itself is not the main restriction. I'd love for you to explain how a restriction (muffler) at the cold end of an exhaust flows better than the 3 inch pipe itself.
To make a car more driveable and enjoyable, this is a great muffler. It will not make the most power, if that is your thing.
That is in excellent condition.... and I have approached Racing Beat to just sell the muffler portion without success..... gotta pay to play!
I have this on the LS9 turbo car and it is crazy quiet..... I use an open cutout to bypass it when racing. On the street it sounds like a kitten thru this!