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ZETEC Performance (2000-2004) The place to chat about any 2.0L Zetec engine performance, tuning and exhaust related upgrades.
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11-12-2012, 07:31 AM
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Focus Enthusiast
 
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Adding a resonator
So I have a long tube header and no cat. I'm kinda getting tired of the drone on the freeway from my exhaust. I'm wondering if adding a resonator within the exhaust if it will quiet it down some. It's not too crazy loud but if I could just quiet it down a bit I would be happy. Also, where is the best spot in the exhaust to place the res? Thanks
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DD: 2003 Ford Focus ZX5-65mm TB, Intake, Long Tube Header, 2.5" exhaust, UDP, Tom's Tune. Almost 200k miles and still running strong! 
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Focus Fanatic
Fan#: 1
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11-12-2012, 08:50 AM
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Vince your Moderator
 
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Are you still using the OEM exhaust?
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133whp-126ftlbsTQ Eclipse CD8443,JBL Px300.4, JBL GTO7001, PPI 356cs, JBL p1022 in .95 cubes, RAAmat BXT, Damplifier Pro Hatch Nation #140 Caeci caecos ducentes |
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11-12-2012, 10:12 AM
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Focus Enthusiast
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no I have a 2.5" cat back
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DD: 2003 Ford Focus ZX5-65mm TB, Intake, Long Tube Header, 2.5" exhaust, UDP, Tom's Tune. Almost 200k miles and still running strong!
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11-13-2012, 03:02 AM
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Focus Fanatic
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Best place is right after the flexpipe if you have a straight pipe there. I did the same thing years ago.
resonator http://www.mandrelexhaustsystems.com...SONATOR/Detail complete straight pipe http://www.mandrelexhaustsystems.com...W-fdsh-/Detail |
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11-13-2012, 10:42 AM
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Where am I?
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Yep, depending on which long tube header you have will depend on the size of resonator you get. If you have one that looks like the FSWerks race header then you are going to need something that is about 18-21 inches long and a 4-6" diameter round to go in the exhaust tunnel. I had the FSWerks race header on my car awhile back and added a 4x20 Borla resonator and it toned it down quite a bit.
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Moderator for: Great Lakes Fanatics, Zetec Performance Chat, Wheels, Tires, Brakes & Suspension,Ford Focus & General Car Chat, Buy-Sell-Trade, General Forced Induction & Ecoboost and General Chat Lounge |
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11-13-2012, 05:42 PM
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Focus Enthusiast
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awesome, thanks for the good info. My header came with like an orp/flexpipe in one. It's that M2 header on ebay. http://www.ebay.com/itm/M2-HEADER-FO...ccccf2&vxp=mtr
So I'm thinkin about goin with the 14" resonator like the one on the first link of Terry's post. Think that should bolt up right? Also if the flex is 2.5" I would also get the 2.5" res or 2.25"?
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DD: 2003 Ford Focus ZX5-65mm TB, Intake, Long Tube Header, 2.5" exhaust, UDP, Tom's Tune. Almost 200k miles and still running strong!
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