06-09-2015, 01:21 PM | #1 |
Drives: 2013 White L99 SS Join Date: Dec 2013
Location: Great Falls, VA
Posts: 225
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How strict is NOVA emissions with Hi-Flow Cats
Has anyone in the NOVA area had any problems with emissions testing that had Hi-Flow cats installed? I ask because I'm thinking about getting Stainless Works 3" Retro Chambered cat back with Hi-Flow cats, but i dont want to fail emissions. Any feedback would be helpful, thanks!
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Current HP/Torque: 413HP/413 Torque
Current mods: Pfadt Tri-y Headers with Hi-Flow Cats, VMAX CNC Ported Throttle body, CAI intake by Cold Air Inductions, Apex Air Scoop/Washer relocation set, RX Catch Can, Stainless Works 3" retro Chambered cat back exhaust, Flex Fuel sensor, 3.91 gear ratio, BMR rear trailing arms, BMR Rear Toe rods Future Mods: GPI's SS3 VVT cam, 3600 stall triple disc torque converter, Fast LSX 102mm throttle body |
06-28-2015, 08:51 AM | #2 |
Drives: 2011 Black 2SS/RS L99 Vert Join Date: Nov 2014
Location: Northern Virginia
Posts: 34
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Bump! Great question ... I'd like to know also.
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06-28-2015, 09:12 AM | #3 |
Drives: Love the one you're with Join Date: Sep 2009
Location: Downtown Charlie Brown
Posts: 11,850
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From what I've heard and read, many hi flow cats pass the test, but if your shop does a visual you will most likely fail. To me though any rational mechanic would let it go if it passes the test. Who knows though. Why not ask a testing facility before you purchase them?
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06-28-2015, 10:03 AM | #4 |
Drives: 2010 imperial blue LS3 M6 2SSRS Join Date: Aug 2013
Location: Virginia beach Virginia
Posts: 210
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Don't ask anything it raises suspicion and you will definitely fail. Been there done that. If it passes sniffer they really won't be to concerned with visual.
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06-28-2015, 10:10 AM | #5 |
Drives: Love the one you're with Join Date: Sep 2009
Location: Downtown Charlie Brown
Posts: 11,850
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06-29-2015, 06:12 AM | #6 | |
8.60 @ 157 @ 4200lbs
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Quote:
Let us know if you need any assistant or any other question give us a call 540-439-3737 Broadview Auto |
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05-01-2018, 07:51 PM | #7 | |
Drives: 2014 Camaro 2SS/RS/1LE Join Date: Oct 2013
Location: Charles Town, WV
Posts: 188
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Quote:
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Crystal Red Tintcoat, NPP, Recaro Seats, Sunroof and SLP Skip Shift, ZL1 rockers, TSP Stage 4 "F35" cam, PRC 260cc heads, GPI radically ported LS3 Intake, K&N CAI and JDP Motorsports Stage 2 Clutch Reservoir Kit, TSP Longtubes, off road connectors and high flow cats, aFe POWER Solid Subframe mounts, Brembo 6 piston calipers and two piece rotors
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05-16-2018, 08:48 PM | #8 |
Drives: 2011 2SS/RS M6 Join Date: Feb 2014
Location: USA
Posts: 39
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i was at a shell station in Alexandria getting an emission test on my 2010 Sierra, the first the thing the mechanic did was get on the floor and look to make sure I had a cat installed even before the sniffer was hooked up.
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