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#1
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Has anyone E-tested their car after removing the pre-cats?
Just wondering if anyone has done an e-test/smog test/whatever it's called in your region, on their car after removing the pre-cats and replacing them with something that isn't a catalytic converter (ie: AR20 resonators, glasspacks, straight pipes, etc.) Our engines are reasonably clean burning and I would imagine that a single Magnaflow 2-1 main cat should be enough to pass the testing.
Anyone have any experience/info in this regard?
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Chris 92 Ebony Mica LS-L "A Rolling Restoration": 223,250 KM - Sleeping 2007 STi 6MT, Stance GR+ coilovers, PWR Rad, JDM hood badge, svxfiles 6000K HIDs, JDM Clear Corners, $15/15 min mod, $20/20 min mod, Energy Swaybar Bushings, Hella Supertones horns, Gold STi BBS rims, Group A lightweight crank pulley, A/C system removed, Custom header-back exhaust, Hybrid carbon/metal rear sway bar, restored headlights with CCFL halos 2008 Subaru Legacy Spec B - Diamond Grey Metallic - Sold 2020 Ram 1500 Longhorn - Red Pearl |
#2
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Re: Has anyone E-tested their car after removing the pre-cats?
I would have to agree with you. The magnaflow 2into1 should do the job. But that's purely speculation.
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#3
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Re: Has anyone E-tested their car after removing the pre-cats?
I passed nj state emissions with straight pipes welded where the pre cats were. upon visual inspection they asked what WAS there and I told them I didn't know...Assumed there was a rusted out hole they patched
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#4
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Re: Has anyone E-tested their car after removing the pre-cats?
Harry Newman "newsvx" removed the two pre cats in his 92 pearlie.After fabricating 2" headpipes, he replaced them with Aeroturbine AR20 resonators into a Magnaflow 94007 High-flow cat and had no emission problems or codes that I know of.
I did exactly the same thing on my 96 Polo. New 2" headpipes, AR20 resonators into a Magnaflow 94037 High-flow cat (with third 02 sensor bung) I kept getting a check engine light for a OBDII code 420, which showed "Catalyst System Efficiency Below Threshold". I assumed the main cat alone was not strong enough to handle the stricter system requirements of OBDII once the pre-cats were removed. I took off the front AR20s and replaced them with Magnaflow cats and have not had a problem since. Passed emmissions with flying colors and never another CE light. /.
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. Subaru Ambassador 1996 Polo Green LSi #216..138,100 miles...SOLD JFICX8659TH100216.....Date of Manufacture: November 16, 1995..... Fuji Heavy Industries..Ōta North Plant....Ōta City,. Gunma Prefecture, Japan In-Service Date: January 2, 1997 "The Pristine Green Polo Machine” First Polo Green on the Network First Clear front turn signals, JDM Alcyone hood emblem, rear panel, and BOXER engine cover on the Network (US) (2000) First 5000K HID factory fog lights (2007) First SVX JDM BBS wheels on a USDM SVX (2013) HID lighting (5000K) for headlight and H3 fog lights, PIAA SuperExtreme 120W high beams, rebuilt EG33 longblock, Cometic head gaskets, Phase II flexplate, AMR aluminum radiator with custom silicone hoses, 160A high-output alternator in aluminum-ceramic coated case, new design alternator wiring upgrade v.4, rare factory headlight protectors, refinished JDM BBS mesh aluminum wheels and custom, polished billet aluminum new hex center caps, LED grille mod, R1 Concepts high-carbon cryo slotted rotors, Akebono ceramic pads, Goodridge S/S braided brake lines, Smallcar Stage 1 shift kit, ThermalTech aluminum/ceramic-coated valve covers, Energy Suspension urethane front & rear swaybar bushings, Bontrager22 rear swaybar with QS Components Chromoly Teflon/Kevlar endlinks, "$15.00/5 minute" suspension mod. Hella Supertone horns, Custom stainless steel exhaust system with 2" headpipes, Magnaflow cats, AeroTurbine AR25 resonator /AWD "Bullet" muffler. R.I.P. 2010 Subaru Outback Limited 2.5 CVT...338,000 miles. Totaled by a 1,300 lb. COW March 4, 2016 2014 Hyundai Avante Limited ...178,000 miles. Actually quieter and smoother than the Outback 2007 Mazda Miata MX-5 PRHT...102,000 miles. Plenty of parts, service and windshields. 4th Registered Network member —2/21/2001 My NEW locker..I...My Email..I..Wikipedia/SVX . . |
#5
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Re: Has anyone E-tested their car after removing the pre-cats?
Quote:
Edit: A quick search on the Magnaflow site turned up their 2" cat, P/N 54904, which looks like it would be the ideal replacement for the OEM pre-cats. It's the same shape and probably similar dimensions, perhaps a hair longer. I like the offset design because it should allow for maximum ground clearance.
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Chris 92 Ebony Mica LS-L "A Rolling Restoration": 223,250 KM - Sleeping 2007 STi 6MT, Stance GR+ coilovers, PWR Rad, JDM hood badge, svxfiles 6000K HIDs, JDM Clear Corners, $15/15 min mod, $20/20 min mod, Energy Swaybar Bushings, Hella Supertones horns, Gold STi BBS rims, Group A lightweight crank pulley, A/C system removed, Custom header-back exhaust, Hybrid carbon/metal rear sway bar, restored headlights with CCFL halos 2008 Subaru Legacy Spec B - Diamond Grey Metallic - Sold 2020 Ram 1500 Longhorn - Red Pearl Last edited by Crazy_pilot; 03-17-2009 at 12:20 AM. |
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