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Dual Cat to Single Cat

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Old 04-21-2009, 07:48 PM
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Car: 1991 Pontiac Trans am
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Dual Cat to Single Cat

OK so i am thinking of getting some hooker 2055 headers and right now i have the dual cat system on my car.

Will it work if i get the headers and buy a single highflow cat and then maybe i might be buying a new exhuast to.

But like will there be the space under the car for the single cat.

Thanks,
Old 04-23-2009, 03:26 PM
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Car: 1991 Z-28
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Re: Dual Cat to Single Cat

I went from a dual cat to a single cat. I had edelbrock headers for the dual cats. I called edelbrock direct and asked for part numbers for replacement y-pipes, edelbrock puts the part # on all the parts of their exhaust system. I was able to buy a seperate part of the exhaust. I searched summit website and found the part. I felt no difference in performance. Hopefully Hooker is the same way if you want to buy just the single cat pipe, and yes there is plenty of room.
Old 04-23-2009, 11:12 PM
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Car: 1991 Pontiac Trans am
Engine: 305 TPI
Transmission: WC T5
Axle/Gears: 3.45
Re: Dual Cat to Single Cat

Ok Thanks thats what i wanted to hear
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