Exhaust for ROW S (S2)

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05-13-2011, 03:56 AM

#16

993turbo

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Quote:

Originally Posted by Landseer

I use an 87 S4 catalytic converter as the heart of an '84 S2 system.

Why do you use a Cat?

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05-13-2011, 04:05 AM

#17

Darklands

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Your 84 S hasn´t the same exhaust as Bretts 86 S.

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05-13-2011, 04:18 AM

#18

993turbo

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Quote:

Originally Posted by Darklands

Your 84 S hasn´t the same exhaust as Bretts 86 S.

Any difference to the front muffler box?

Acc to PET its the same? Only the rear part of the system is different (S4 / GT style)

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05-13-2011, 09:19 AM

#19

Landseer

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Quote:

Originally Posted by 993turbo

Why do you use a Cat?

A few reasons.

Emission compliance (USA states are trending to exempt only if car is put on a restricted use license plate)
Sound suppression
Flow design for 300 hp
Durability / Original cats are heavy duty stainless steel
Cost --- they are "take-offs" sometimes available free.

I've lost power with this setup, but don't care. The double dizzy 5 speed still puts out more than I need.

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