SlowCar

iTrader: (4)

i got a resonated testpipe...............up to 77mph its bareble...after that.....it is LOUD! i am thinking of a bigger resonator....will that help?

got a major headache driving from austin to houston and back

thisxguy

iTrader: (17)

what do you mean bigger? do you mean longer? if you mean longer, then yes, it will help

mrfred

iTrader: (50)

The longer, the better. A larger shell diameter helps too.

elhalisf

iTrader: (171)

you want longer, not bigger

eponti

iTrader: (12)

what kind of test pipe did you get?

mrfred

iTrader: (50)

Larger shell diameter while maintaining 3" pipe makes more volume for sound absorption which will help reduce sound.

Ted B

iTrader: (6)

The closer to the engine the resonator is installed, the more effective it is at reducing noise.

Just FYI.

SlowCar

iTrader: (4)

i'm limited to the length of the testpipe........but i can go bigger OD....

So...who makes the biggest resonated TP with a 3" ID?

mrfred

iTrader: (50)

Magnaflow makes 4" and 6" round resonators:

satin stainless
http://www.magnaflow.com/02product/s...ne=main&id=302

polished stainless
http://www.magnaflow.com/02product/s...ne=main&id=351

It would be better if you added a longer resonator to the cat-back portion. As long as there is room for the resonator, its pretty simple to add stuff like that into a cat-back. A muffler shop can do it for probably $30-$40.