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Discussion Starter #1
ok guys, im 29, and passed the stage of wanting a rally style, bad boy exhaust tone, plus i start work at 4am in the morning, so my neighbours dont need it

BUT!!!!! im all about performance upgrades!!!!!!

i currently have a stock exhaust with the lunchbox delete, sounds good

but i want to get the best gains, while staying N/A

my mods so far are

cfm tb
cfm lower engine mount
sport suspension/ coil overs
10mm leads
copper plugs gapped @ 0.05
180 degree thermo
lunchbox delete
aem cai
93 octaine
and toms tune

my plan is to keep the stock exhaust, but get a cfm hfc, and flex pipe, along with the stock exhaust (minus the lunchbox) was wondering if anyone had the same exhaust setup installed, as the one i have planned??
 

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hi ff i just installed the cfm race cat not the hfc as it was about 100$ cheaper and i didnt want to butcher a perfectly good std system adding resonators and MF mufflers , like you i wanted to change the tone but didnt want the ricey orp ,the swap was easy although it is extremely close to the oil pan it definately a result for me ,not really loud ,only slightly between 2-3k under load but sounds real good when on it in the upper rpm at wot and it never threw a code either ,just going through tuning process with tom at the moment
 

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A 2.5" cat back and 2.5" flex will yield the best gains for a N/A SVT. Going ORP or HFC are the best options. Use a larger resonator to take care of the ricey buzzing sound. Best 3 systems IMO are Borla, Magnaflow and FSWerks. Like I said, you can run a ORP or HFC without the buzz and riceyness if you use a longer/larger resonator. Problem solved. This will yield the best gains for a N/A SVT.
 

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Discussion Starter #4
cheers for reply guys

the set up that im swinging to, is a c f m high flow cat, with c f m flex, and fswerks stealth exhaust

what would that sound like, i dont want drone, and obnoxious noise, as i work early in the morning,

a few years ago, i had an escort, with a magnex cat back, and as sood as i fired her up in the morning, my neighbours alarm would go off, soo annoying

also, the 2nd setup im considering, is a hfc flex, on stock exhaust


any imput appreciated
 

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I Like Red
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Try youtube, type in the combo and there should be sound clips. That is a pretty popular exhaust setup for the focus. Personally Borla sounds the best IMO, its deeper and has a more "muscle" tone to it. Dont keep it stock..... I run Magnaflow with a ORP and it sounds good except for 2-3.5K rpm there is the "buzz" like I said before, a larger resonator will get rid of the ricey buzzing. I plan on going borla in the future and getting a large resonator to take care of the 2-3.5K buzz.
 

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Discussion Starter #6
Try youtube, type in the combo and there should be sound clips. That is a pretty popular exhaust setup for the focus. Personally Borla sounds the best IMO, its deeper and has a more "muscle" tone to it. Dont keep it stock..... I run Magnaflow with a ORP and it sounds good except for 2-3.5K rpm there is the "buzz" like I said before, a larger resonator will get rid of the ricey buzzing. I plan on going borla in the future and getting a large resonator to take care of the 2-3.5K buzz.
cheers bro,

is borla a quiet set up???

i want it almost as quiet as stock,
 

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At low rpm its fairly quiet but at WOT it sounds pretty beasty. Between the 3, they will be about the same as far as noise level, the difference will be the tone. I would say FSWerks is the highest pitch then magnaflow is in the middle and borla is the deepest tone. As long as your not revving it up they wont be too loud. Check out the sound clips of them all on youtube and see for yourself.
 

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Discussion Starter #8
At low rpm its fairly quiet but at WOT it sounds pretty beasty. Between the 3, they will be about the same as far as noise level, the difference will be the tone. I would say FSWerks is the highest pitch then magnaflow is in the middle and borla is the deepest tone. As long as your not revving it up they wont be too loud. Check out the sound clips of them all on youtube and see for yourself.
thanks man, great help

is there anything said for staying stock, with just the hfc and flexi ??
 

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^ There will be very minimal gains with stock exhaust. Going from 2.25 to 2.5 cat back makes all the difference. Trust me, if your gonna do it, do it right and get the most out of it. You will be soooo glad you did.
 

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Discussion Starter #10
thanks gav, your advise will be followed, and i appreciate your time taken to advise me,

just one last question

as you know, i dont want racer boy loud, Ive matured past that stage, but i do want performance

whats certain is, im going to get the cfm hfc, and cfm flexi pipe,

but my question is, knowing my requirements, do i go for fswerks stealth, or borla? as my cat back ??
 

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First off no worries, I'm always glad to give some advise. Personally I would go the Borla route. The reason being that the tone is much deeper than the others and is far from sounding "ricey". I know you are concerned about the actual amout of decibels the exhaust will put out and there is a differece between being obnoxiously loud and sounding healthy and strong. The Borla is the best of both IMO. It is not too loud but it has a very nice tone that suits the SVT/ST170 well. At WOT it sounds mean! The FSWerks is a little more high pitched as far as the tone goes, it still sounds very nice but has a little more rasp to it and thats what you said you dont want. Also like I said before, you can order a larger/longer resonator and that will for sure cut down on any rasp or buzzing that may come from the HFC and also ORP's. The Borla will offer you great performance, a subtle deep and mature sounding tone and will only be loud when you are at high RPM's/WOT. In the end it comes down to personal prefferance but I can tell you the 2.5" Borla setup with a 2.5 HFC and Flex will perform and sound amazing. Ask about a larger resonator to dull it down if you like but I think you will be more than satisfied with how it sounds. Best of luck on your decision and I hope I helped clear things up for ya.

-Gaven
 

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Discussion Starter #12
First off no worries, I'm always glad to give some advise. Personally I would go the Borla route. The reason being that the tone is much deeper than the others and is far from sounding "ricey". I know you are concerned about the actual amout of decibels the exhaust will put out and there is a differece between being obnoxiously loud and sounding healthy and strong. The Borla is the best of both IMO. It is not too loud but it has a very nice tone that suits the SVT/ST170 well. At WOT it sounds mean! The FSWerks is a little more high pitched as far as the tone goes, it still sounds very nice but has a little more rasp to it and thats what you said you dont want. Also like I said before, you can order a larger/longer resonator and that will for sure cut down on any rasp or buzzing that may come from the HFC and also ORP's. The Borla will offer you great performance, a subtle deep and mature sounding tone and will only be loud when you are at high RPM's/WOT. In the end it comes down to personal prefferance but I can tell you the 2.5" Borla setup with a 2.5 HFC and Flex will perform and sound amazing. Ask about a larger resonator to dull it down if you like but I think you will be more than satisfied with how it sounds. Best of luck on your decision and I hope I helped clear things up for ya.

-Gaven
cheers gav, you have been more than helpful, and borla it is,

thanks again man, great review, and thanks for taking the time to write the posts

rob
 

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cheers gav, you have been more than helpful, and borla it is,

thanks again man, great review, and thanks for taking the time to write the posts

rob
No problem Rob, happy I could help!

Cheers!
 
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