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Interested in High Flow Cat's

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Old Apr 14, 2014 | 06:49 AM
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Default Interested in High Flow Cat's

98 Z28 M6, 224/224/112, LT's, ORY, LM1.

I have had several people tell me a high flow cat will cut down on rasp, quiet the car down a bit, and eliminate most of the exhaust smell.

Would these cat's after my headers/before the Y do the job?

http://www.ebay.com/itm/3-Thunderbolt-Catalytic-Converter-High-Flow-Stainless-Steel-/140941752250?pt=Motors_Car_Truck_Parts_Accessories&hash=item20d0c877ba&vxp=mtr
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Old Apr 14, 2014 | 10:01 AM
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Personally, id go with Magnaflow HF cats
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Old Apr 14, 2014 | 02:02 PM
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I have no experience with thunderbolt cats, but Magnaflow makes awesome CATS. It does quite down the rasp.
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Old Apr 14, 2014 | 06:45 PM
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I have thunderbolts in my y-pipe. Only been on the car a year or so. Not sure how they will hold up in the long run. They did take alot of the rasp out but not completely.
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Old Apr 14, 2014 | 06:52 PM
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OP, what long tubes and ORY are you running?
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Old Apr 15, 2014 | 11:47 AM
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Originally Posted by raynor139
I have thunderbolts in my y-pipe. Only been on the car a year or so. Not sure how they will hold up in the long run. They did take alot of the rasp out but not completely.
Did they take out the raw fuel smell? Have you noticed any sulfer smell from them at all?
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Old Apr 15, 2014 | 06:35 PM
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Originally Posted by HCI2000SS
OP, what long tubes and ORY are you running?
Speed Engineering race LT's and Phab ORY and LM kit. Its on eBay, made in Michigan.
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Old Apr 18, 2014 | 12:07 AM
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i've always heard that random technology makes the best flowing and most durable cats
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Old Apr 18, 2014 | 06:40 PM
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x2 on Random Tech, Nate....
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Old Apr 18, 2014 | 06:47 PM
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I have the random tech torque arm and love it but I went with the thunderbolt cats. They seem to be just what I was looking for, won't know until it gets put on the car.

I underestimated the amount of noise a camed car would make with loudmouth.
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