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04-22-2020, 10:31 AM
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#1 |
 Drives: 2011 Camaro 2LT Join Date: Oct 2018
Location: Az
Posts: 367
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Straight pipe options to replace HFC
I’m seriously thinking of pulling the trigger on the Overkill stage 1 SC. I don’t want to run the risk of burning up the BBK high flow cats behind the LT headers. Any options still available that would be a simple R & R process (that bolts up nicely to the header flanges) to get rid of the cats? Thanks
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04-22-2020, 12:18 PM
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#2 |
         
Drives: 2011 1LT/RS A6 RJT SuperCharged Join Date: Mar 2011
Location: 87114
Posts: 3,503
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If your state doesn’t require smog emissions go with a cat delete. My county requires emission tests so I run the stock cats.
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04-22-2020, 01:54 PM
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#3 |
Drives: 2012 Camaro SS Join Date: Dec 2019
Location: New York
Posts: 1,434
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Go to a exhaust shop and they will just remove your cats and weld in a pipe. Should be under $100 for parts and labor
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2012 Camaro 2SS/RS - CSP Custom Cam 232/240 .615/.615 113 +3, Texas speed CNC heads, FTI billet triple disc converter, K&N cai, Katech ported TB, GPI Ported/rod modded manifold, Texas speed 1 7/8 headers, HFC, Flowmaster 2 chambers with x pipe, Mishimoto CC, MSD wires, Roto fab washer relocation, tru cool 40k trans cooler, apex scoop, Pedders extreme coil overs and much more!!
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04-22-2020, 03:16 PM
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#4 | |
Drives: 2013 SW 2LT/RS LFX/AY6 Join Date: Feb 2013
Location: Orlando, FL
Posts: 1,741
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Quote:
+1, it doesn't look like BBK sells a catless variant so you couldn't ask them to purchase cat deletes that would match.
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K&N CAI, 1LE Strut Tower Brace, Elite Engineering Catch Can and Clean Side Separator, Apex Scoop w/ Washer Relocation Kit, CTS Front Calipers and Rotors, JacFab Ported Intake Manifold, JacFab Intake Manifold Spacer, 80mm Overkill Throttle Body, SS Brake Lines, Ideal Garage Master Cylinder, Monster Twin Disc Clutch, NPP Retrofit w/ Magnaflow Resonated X, ARH Catless Downpipes, JRE Built 3.45 Diff, 1LE Axles, 1LE Hubs, Overkill Tuned, BMR Anti Wheel-hop Kit Stage I, ACS TL1 Hood Insert, ZL1 Spoiler
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05-21-2020, 07:16 PM
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#5 | |
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Account Suspended
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Quote:
So does mine, but I removed the secondary cats. They're not monitored. Car runs fine, and I just passed PA emissions today. Some places may look, and see the tampering, and fail you. However, they should see that the primary cats are still there. They're cheap hi-flow down-pipes too, needed spacers. |
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05-21-2020, 08:06 PM
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#6 | |
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Drives: 2013 SW 2LT/RS LFX/AY6 Join Date: Feb 2013
Location: Orlando, FL
Posts: 1,741
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Quote:
High flow metal cats will melt with a supercharger.
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K&N CAI, 1LE Strut Tower Brace, Elite Engineering Catch Can and Clean Side Separator, Apex Scoop w/ Washer Relocation Kit, CTS Front Calipers and Rotors, JacFab Ported Intake Manifold, JacFab Intake Manifold Spacer, 80mm Overkill Throttle Body, SS Brake Lines, Ideal Garage Master Cylinder, Monster Twin Disc Clutch, NPP Retrofit w/ Magnaflow Resonated X, ARH Catless Downpipes, JRE Built 3.45 Diff, 1LE Axles, 1LE Hubs, Overkill Tuned, BMR Anti Wheel-hop Kit Stage I, ACS TL1 Hood Insert, ZL1 Spoiler
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05-31-2020, 02:21 AM
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#7 | |
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Account Suspended
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Quote:
you will have catless down-pipes if all the substrate is melted out. |
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05-31-2020, 07:30 PM
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#8 | |
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Drives: 2013 SW 2LT/RS LFX/AY6 Join Date: Feb 2013
Location: Orlando, FL
Posts: 1,741
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Quote:
They don't melt out. They melt together and can cause extreme damage due to being a complete exhaust blockage. Ceramic cats can break down, metal cannot. There's a couple threads here about SS guys melting high flow cats, and I know sycraft had a supercharged V6 and melted his cats too.
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K&N CAI, 1LE Strut Tower Brace, Elite Engineering Catch Can and Clean Side Separator, Apex Scoop w/ Washer Relocation Kit, CTS Front Calipers and Rotors, JacFab Ported Intake Manifold, JacFab Intake Manifold Spacer, 80mm Overkill Throttle Body, SS Brake Lines, Ideal Garage Master Cylinder, Monster Twin Disc Clutch, NPP Retrofit w/ Magnaflow Resonated X, ARH Catless Downpipes, JRE Built 3.45 Diff, 1LE Axles, 1LE Hubs, Overkill Tuned, BMR Anti Wheel-hop Kit Stage I, ACS TL1 Hood Insert, ZL1 Spoiler
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| Tags |
| cats, exhaust, supercharger |
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