Exhaust cut out valve/ bypass valve
#1
Scooby Newbie
Thread Starter
Exhaust cut out valve/ bypass valve
Seen this installed on a civic type r and thought its quite cool. From being super loud it can become super quiet at the flick of a switch. Has anyone installed this on a impreza? Are there any negatives to it? Quite interested in installing it on to my impreza and for the price seems pretty cheap.
#3
Scooby Regular
iTrader: (3)
i think you mean if your on boost you'll need it fully open. There will be problems with your map though as your changing the amount of backpressure in the exhaust.
You can get a backbox with it built in now:
http://www.xforce.com.au/about-varex...ts-muffler.php
Or just the butterfly valve in the exhaust pipe:
http://www.ebay.com/itm/Circuit-Spor...e0040f&vxp=mtr
Unless you mean something different?
You can get a backbox with it built in now:
http://www.xforce.com.au/about-varex...ts-muffler.php
Or just the butterfly valve in the exhaust pipe:
http://www.ebay.com/itm/Circuit-Spor...e0040f&vxp=mtr
Unless you mean something different?
#4
Scooby Newbie
Thread Starter
Im not sure. How does that muffler one work?
This was the one i've seen
http://m.ebay.co.uk/itm/350803969660?nav=SEARCH
yeah never thought about the map bit. But why couldn't you use your normal exhaust on full boost?
This was the one i've seen
http://m.ebay.co.uk/itm/350803969660?nav=SEARCH
yeah never thought about the map bit. But why couldn't you use your normal exhaust on full boost?
#5
Scooby Newbie
Thread Starter
I've currently got a straight through exhaust on mine with the butterfly valve would that quieten my straight through to like a stock exhaust and when its open it would be as loud as it currently is?
#6
I wouldn't recommend one for every day driving, I would use mine just for rolling through town or just to pass a noise test from vosa/plod etc
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