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-   -   AP too loud (https://www.rx8club.com/series-i-aftermarket-performance-modifications-23/ap-too-loud-210314/)

ctlums 01-13-2011 11:58 AM

AP too loud
 
While I was on R&R in September I put the full AP exhaust on. Seemed like a good idea at the time but that night I learned what a bad idea it was with the long trip I took droning the whole way. I have got to get this thing quieted down. I am about to come back to the states sometime Extremely soon, and have been weighing options. The dual resonated mid has to go. I have found a midpipe from corksport that has a cat and a single resonator and was wondering if anyone had experience with it or an opinion as to whether it will substantially quiet me down. It sucks, I have to drive carefully to keep quiet and not draw too much attention, I dislike this. Thanks.

200.mph 01-13-2011 12:37 PM

yhea ya get a bit of attention. however i have the whole ap on my car and i love it and the flames rock. then again pretty much everything i own-have owned with a motor gets a nice loud exhaust. sport bikes, dirtbikes, cars, trucks, quads. except the vehicles ive bought for my gf.
loud pipes save lives

ctlums 01-13-2011 12:40 PM


Originally Posted by 200.mph (Post 3846907)
yhea ya get a bit of attention. however i have the whole ap on my car and i love it and the flames rock. then again pretty much everything i own-have owned with a motor gets a nice loud exhaust. sport bikes, dirtbikes, cars, trucks, quads. except the vehicles ive bought for my gf.
loud pipes save lives



No doubt it is awesome, but long evening drives are terrible. And even worse, my wife complains constantly....we havent even made it back to the states yet and she nags.

200.mph 01-13-2011 12:48 PM

keep exhaust lose wife. besides if you think its that loud you shoudnt hear her anyway

RX8Soldier 01-13-2011 01:09 PM


Originally Posted by 200.mph (Post 3846922)
keep exhaust lose wife. besides if you think its that loud you shoudnt hear her anyway

:yelrotflm

terch1 01-13-2011 01:19 PM

I wouldn't think that a highflow cat would quiet you down much. My highflow cat increased my exhaust note considerably. I beleive the problem lies with the catback system. Prior to installing my highflow cat I was running the GReddy SE exhaust with my stock cat and it was only very slightly louder than stock. With the highflow cat she screams and shoots flames!

m1r4g3 01-13-2011 01:24 PM

what unit u with?

Chris 01-13-2011 01:44 PM

this all comes down to the type of highflow cat... some will be more consticting then others... the more constricting the less aggressive the note will be.

another aspect would be the flow of the exhaust.... the BHR midpipe "assists" the flow of the exhaust thus the exhaust note is controlled.

I run a borla with a BHR sr pipe and the note is much quieter than when I ran the AP dr pipe.

bse50 01-13-2011 02:03 PM


Originally Posted by RWD+LSD=Zoom (Post 3847006)
this all comes down to the type of highflow cat... some will be more consticting then others... the more constricting the less aggressive the note will be.

another aspect would be the flow of the exhaust.... the BHR midpipe "assists" the flow of the exhaust thus the exhaust note is controlled.

I run a borla with a BHR sr pipe and the note is much quieter than when I ran the AP dr pipe.

Yeah, it's just a matter of design and quality. AP=cheap generic resonators.

ctlums 01-15-2011 12:43 AM


Originally Posted by RWD+LSD=Zoom (Post 3847006)
this all comes down to the type of highflow cat... some will be more consticting then others... the more constricting the less aggressive the note will be.

another aspect would be the flow of the exhaust.... the BHR midpipe "assists" the flow of the exhaust thus the exhaust note is controlled.

I run a borla with a BHR sr pipe and the note is much quieter than when I ran the AP dr pipe.


Will I pass emissions?

ctlums 01-15-2011 12:45 AM


Originally Posted by m1r4g3 (Post 3846979)
what unit u with?


III Corps FT Hood, Tx. I would say it could be worse, but I would be a liar.

ctlums 01-15-2011 12:48 AM


Originally Posted by 200.mph (Post 3846922)
keep exhaust lose wife. besides if you think its that loud you shoudnt hear her anyway

Nah she is alright, she insisted on helping me install my CAI, surprisingly she actually did. Wonder how she will do with the turbo install in a couple weeks. A true test of a woman, will she stick it out with you for the duration of upgrading your car.

Chad D. 01-15-2011 07:38 AM


Originally Posted by ctlums (Post 3849183)
Will I pass emissions?

No/

Blacknightz 01-15-2011 01:17 PM

recoded video with sounds would be nice....

mushkid 01-15-2011 01:59 PM

here is my 8 with an ap mid pipe and custom exhaust, this was a loud set-up (Before Magnaflow Highflow cat)

windows down:
http://www.youtube.com/watch?v=Ho8gudSpEhw

windows up:
http://www.youtube.com/watch?v=9qC7T...eature=related

now i just added a magnaflow high flow cat to my set up and i my exhaust is far more "quieter" and most importantly!!! the smell of gas is gone:

windows down:
http://www.youtube.com/watch?v=Hlxqa1NV_xU

windows up:
http://www.youtube.com/watch?v=JEvcLlZUJKI

also here is me saying bye bye to the infamous 3-4krpm AP Midpipe RASP!!!:

http://www.youtube.com/watch?v=QY9AwfGWAos

you can enjoy the ap, you just need a little help!

1Point3 01-17-2011 03:16 PM

Turbos can quiet the exhaust down...............just sayin......

Chris 01-17-2011 03:30 PM

yeah the turbo should do the job :)

ctlums 01-18-2011 08:29 AM

Got the turbo waiting...however, I am afraid it is about to go back up for sale. I just found out I won a 2011 Mustang GT Convertable from AAFES. My wife is making me sell the 8 if I want to keep it....sucks man, i havent even cracked open my COBB yet and it is useless now..gay. Anyways I hate to jump ship on the Rx8 but things like this are rare and I have to soak it up. Great coming home gift though. I will miss the 8 a lot.

Chris 01-18-2011 08:32 AM

PM me about the turbo and cobb :)

Chad D. 01-18-2011 08:36 AM

You won a new mustang from the army! Lucky guy.

ctlums 01-18-2011 08:36 AM

I suppose there is only one option:

Wife for sale: cooks, cleans, nags, great companion.

Chris 01-18-2011 08:39 AM

lol :rofl:

ctlums 01-18-2011 08:40 AM


Originally Posted by RWD+LSD=Zoom (Post 3851905)
PM me about the turbo and cobb :)


Pm'ed

ctlums 01-18-2011 08:42 AM

Nah, dont think I jumped ship yet guys, I am going nowhere, the 8 that I have is the 2004 with 60k on it. I would like to get an R3 in the near future.

ctlums 01-18-2011 08:44 AM

I have to take the AEM CAI off, exhaust back to stock, god knows what I am going to do with all of this stuff but it wont do anything for the value of the car. And my esmeril ignition can get comfy on the shelf where it has been waiting. Loud AP problem solved I suppose.


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