Fd Exhaust
#21
Well i ran out to SevenSpeed today they had my car up. so i got to take a look under her. The exhaust is all Custom. It's all 3 inch stright back till about 1.5 feet before the muffler it widens out to 4.5 inch. It's a Greddy Muffler too. The guy's up there said the could tourch out a section and bolt a borla on. I guess that would make it a little less loud. What do you guy's think?
-=RX-7 KID=-
-=RX-7 KID=-
#24
I did a compareson test last summer. Standing at about 50ft away (the California Law is limited to 90db at 100ft)
as you can see the XR1 is quite helpful. Compare to a straight through mid pipe, the XR1 is a lot quieter, and it is almost the same as having a high flow cat.
APEXi N1 Single with no silencer and stock cat at idle
APEXi N1 Single with no silencer and stock cat at appox 2500rpm
Generation 1 Trust SP with Borla XR1 at idle
Generation 1 Trust SP with Borla XR1 at 2500rpm
as you can see the XR1 is quite helpful. Compare to a straight through mid pipe, the XR1 is a lot quieter, and it is almost the same as having a high flow cat.
APEXi N1 Single with no silencer and stock cat at idle
APEXi N1 Single with no silencer and stock cat at appox 2500rpm
Generation 1 Trust SP with Borla XR1 at idle
Generation 1 Trust SP with Borla XR1 at 2500rpm
#25
Rx7kid how have you made out? Did you end up putting the borla silencer in and if so how does the car sound now? I HAVE to start looking for a way to quiet mine down as well I have greddy power extreme which *used* to be quiet until I installed the midpipe. Now its a whole different story. Anyone else have a power extreme that they needed to quiet down?
#26
The new power extreme is just not as good as the good old trust exhausts...
the further up towards the turbo you install a silencer the less droning you will get from the exhaust noise. If mid-pipe + power extreme, it can be pretty obnoxious
the further up towards the turbo you install a silencer the less droning you will get from the exhaust noise. If mid-pipe + power extreme, it can be pretty obnoxious
#27
I've had the PE since 98. I've had it with the stock cat, mp and resonated mp. IMO it sounds like **** with the MP. However, a resonated mp will help a lot. My buddy has the SP with a stock cat and it sounds a lot louder and higher pitched (like a weed whacker) than my PE with the stock cat.
I'm about to switch to the RB dual with a high flow cat....much sweeter. The older I get, the quieter I want it. It's now my Wife's transportation to and from work. I really got the RB out of necessity - she's a cop and she got tired of ricer honduhs trying to race on the way home from work every night! LOL! no ****!
GEB.
I'm about to switch to the RB dual with a high flow cat....much sweeter. The older I get, the quieter I want it. It's now my Wife's transportation to and from work. I really got the RB out of necessity - she's a cop and she got tired of ricer honduhs trying to race on the way home from work every night! LOL! no ****!
GEB.
#28
I have been told that with a pre-silencer in the midpipe that it will sound almost like my car did before with the stock main cat which is fine by me. I am looking into a dynomax round muffler right now that summit sells for $70. I am still doing researh on it so ill let you know how I make out. Anyone have this set up or maybe has had experience with the dynomax race mufflers?
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