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Ravmobile Ravmobile is offline
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Join Date: Dec 2014
Posts: 4
3.2 needs improved finishing note

Exhaust/muffler needed!

I have a wonderful 1989 3.2 Carrera G50 with 116k, I am the third (and newbie) owner.

It arrived in February with a Weltmeister chip, K&N cone, a debaffled 84mm Dansk twin tip muffler 2 in 1 out, RUF rear bumper and Dansk cat bypass - it ran loud, it ran sluggish, with noticeable throttle lag.

Working with a great shop in the Bay Area, we cleaned up the intake (dated K&N cone back to a factory air-box), had the injectors cleaned at RC Engineering in SoCal, installed a new C2 spec cam, Steve Wong chip and now the car runs great – pulling hard from 4k.

It is joy to drive but it also comes with lots of droning, extra noise – I like loud, but with more of a SSI precision sound. My shop agrees and also said some added back pressure will increase low-end pull as well.

What recommendations do you have for a cat/muffler solution?

My goal is simple – more low-end performance and less extraneous noise.

I see 2 affordable options:

1. Remove the Dansk cat delete and keep the de-baffled 84mm sport exhaust
- this will build back pressure and reduce some of the noise
2. Keep the Dansk cat delete and put on a new (baffled) twin sport muffler
- this will also build back pressure and reduce noise

Which approach is better to achieve this goal? Both ideas should improve back pressure and reduce noise – but not sure which is a smarter move.

Extra points for a twin or single tip sport muffler recommendation.

Thx – I have really enjoyed learning from these PP forums,

John
Old 09-07-2015, 01:51 PM
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