Mild/Not so mild Build with stock exhaust

[owequitit]

Wow that looks like a good idea. I'm thinking about just doing a bigger exhaust with a stock style resonator and muffler. And a high flow cat.

Don't get a magnaflow cat. They suck for noise. I have heard CATCO tones them down well, and Random Tech always sounds good, but they are more $$.

[Accrdwgnguy]

Random Tech cats flow more than most aftermarket mufflers.

Get a RSX-S or 06 Si muffler, they flow the best as far as OEM Honda mufflers are concerned.

[bcjammerx]

I can tell you that using 1-2 resonators with 2.5" or 3" piping and straight-through muffler is not quiet. I think the key is getting an actual OEM-like muffler for any exhaust to be quiet. Resonators do help keep a low/deep sound and minimize raspiness. What also helps eliminate raspiness and fuel smell at stop or idle is a cat. converter, rather than test pipe.

The larger the diameter exhaust the louder. I would keep it at 2.5" for your goals for a compromise, cat. converter, atleast one resonator and OEM-like muffler.

that's exactly what I said...oem style muffler...ALONG WITH the two resonators...never said straight through muffler

[scudweiser]

a turbo is its own muffler FTW

[mozzandherb]

a turbo is its own muffler FTW

this is quite true, the spooling of the turbo eliminates a lot of the noise created by the exhaust. And yes I have a Dynamax turbo muffler on my car and it is a great muffler, not too loud

[HondaFan81]

that's exactly what I said...oem style muffler...ALONG WITH the two resonators...never said straight through muffler

Wasn't attacking you man, I was referring to my white project setup hahaha.

[gloryaccordy]

Do I need a resonator?

How is it gonna sound?

Yea u will need one. Get the biggest one u can fit. If ur running w/o a cat get two.

[d112crzy]

The larger the diameter exhaust the louder.

How so? There is more surface area for the waves to die on.


And a quiet exhaust is a restrictive exhaust. Period. It's quiet because it's chambered. Chambers are restrictions.

I'd say get something like either a super medallion, or an S2K muffler. Both are quiet and probably are the best designed for performance.

Definitely get a quality cat and some resonators.


But depending on how much power you want to make, a muffler can be very restrictive. I believe DRQPQUT gained like 40whp from a muffler alone.

For anything above 200whp, something like the ws2 is restrictive.

[baracuda]

how about this keep the stock exhaust to run around town, get a good header with 2.5' collector and then add an electric exhaust cutout after the collector, and when you go to race or something, flip the switch and run an open exhaust for max power. now thats sleeper

http://www.quicktimeperformance.com/QTEC/index.php
^^^^ just a good exmaple of the cut out,they sell these things on jegs and summit they are just their own brand. and im sure there is multiple companies as well.

[93F22A6]

Maybe he should get him a set of 3 dollar ear plugs and save the money on all the crap hes going to need to make his exh quiet. 2.5 inch with a good muffler, it'll be loud but it will make good power.

[bcjammerx]

Wasn't attacking you man, I was referring to my white project setup hahaha.

aaaahhh...I see..speaking of which...time for me to check that build thread of yours to see the dyno sheet...riiiiiight?...riiiiiIIIIIight? HA HA...off topic poke

How so? There is more surface area for the waves to die on.


And a quiet exhaust is a restrictive exhaust. Period. It's quiet because it's chambered. Chambers are restrictions.

I'd say get something like either a super medallion, or an S2K muffler. Both are quiet and probably are the best designed for performance.

Definitely get a quality cat and some resonators.


But depending on how much power you want to make, a muffler can be very restrictive. I believe DRQPQUT gained like 40whp from a muffler alone.

For anything above 200whp, something like the ws2 is restrictive.

That what I always thought too, that the larger the pipes the deeper and quieter...to a point of course