[dan]

so does the turbo on my volvo need exhaust backpressure to work right, how much can i free up my exhaust? also if i pull my injectors to put in new seals is there any way i can clean them?

 

[Tech]

What exactly do you want to do with the exhaust?
The best way to clean the injectors it to get a good cleaner that you dump in the tank.
Techron is a very good cleaner.It is pretty expensive but works good.
I use it all the time.I leave a 1/4 of a tank of gas and dump it in.Then run to empty then refill.
Im my Mustang I feel a diffrence within 2 miles.