LT1-LT4 Modifications 1993-97 Gen II Small Block V8

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Old May 30, 2006 | 02:16 AM
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chameleongreen97ta's Avatar
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what is a good high flow cat going to run pacesetter longtubes to a pacesetter y pipe and i need a cat
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Old May 30, 2006 | 07:37 AM
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Here's my 96 SS with a Pypes 3" cat crossing over from the driver's side and a Catco 3" cat on the passenger side. You'll need a compact cat for the driver's side crossover and the Pypes or SLP is about the smallest.

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Old May 30, 2006 | 02:48 PM
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do i have to run the two cat setup or can i just run one after the y pipe
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Old May 30, 2006 | 02:55 PM
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you will get better flow with 2. Thats why the 97-97 made more HP then previous models. And you make even more with 0
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Old May 30, 2006 | 02:56 PM
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Originally Posted by chameleongreen97ta
do i have to run the two cat setup or can i just run one after the y pipe
I have Pacesetter LT's and ORY and I run a Carsound(Magnaflow) hi-flow cat after the Y. Works amazing! The part number for the Cat is MPE-94109 which I bought from summitracing for $60. The Cat is rated for up to 6.2L engines and I felt no power difference going from no cats to this hi-flow cat.
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Old May 31, 2006 | 07:58 AM
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To be somewhat legal you need 2 cats on a 96-97. Although technically, you're not supposed to change the location of either cat and longtubes definitely move the driver's side cat.
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