Gotti2k7
Helping Global Warming
- Joined
- Feb 3, 2007
- Messages
- 335
How much does back pressure effect the boost you make. I have a 4 inch down pipe, straight to a 8 inch stack. As long as i can remember. I have only made about 32 lbs of boost. I was messing around and stuck a muffler in the stack. Kinda tired of hearing the thing, so i grabbed one of the extra MBRPs we have laying around and it fit into the stack. Well i was driving around today and put it to the floor on my number 2 setting, which is 80 tow, and my boost went up and pegged my 35lbs gauge. I didnt get a chance to try it in my highest setting cause it started raining. But was i loosing all this extra oomph because i had no back pressure?