2.5 vs 3.0 exhaust for ZD30, opinions.

[mudski]

Lol! That's what a Dawes valve is for.... Not laughing directly at you happy btw, just the reason. Put a Dawes valve in and you get more than just stopping over boosting issues, you also get to control boost levels yourself and have a better performing engine.

[threedogs]

X 2 with Hodge the CRD 3ltrs were over boosting and the 2.75 was a great fit for the CRD.
if you have a Di 3ltr like me and fit a 3in system you'll need to fit a manual boost controller [dawes]

[kevin07]

exactly 3d overboost on the crd with the 3 inch pipe the 2.75 has impressive gains without issues, so if you want to put a bigger pipe on you should put in boost and egt gauges first and if you have a di buy the dawes valve before fitting a bigger pipe save yourself some hassle as well possibly blowing things up as you can see whats going on

[scott.a.green]

I've had a chat to the guys @ Beaudesert and they're are all about the 2.75".
So its on order, and I'll let you guys know how it goes.

[scott.a.green]

And thanks for the advice mates.

[daggy]

I have the Beaudesert 2.75 exhaust and from my research and my memory it has better engine braking than the 3 inch, therefore should also be better in low range descent. Recently fitted and yes there is a difference in the way the power comes on, just have to readjust the right boot. Not V8 stomping type of power but a better torque range, which was exactly what I was after.

[mudski]

I'll be keen to see the results. I just removed the muffler from my 3inch zorst. I gotta say I am impressed, I though I would notice anything, but more mid range now than before. And a better note too. Happy camper here.

[scott.a.green]

Well got the new pipe in. I've gotta say, I'm impressed! Power delivery is better, sound is a bit better but the big difference is when you're towing. It feels like a 2nd turbo snuck in somewhere when I fitted it! Cruising boost has dropped 4psi and it stays in lock up when going up hills now too. Very happy camper!

[Outdbush]

Thx for the info , lookin at doin the exhaust myself

[SupRob]

http://www.ebay.com.au/itm/Nissan-GU...&_qi=RTM756592

What do you think of this? recommend anyone beating their prices?