chrisyoung10
Member
What size pipe for an new exhaust do you all think I should use? I am planning on staying n/a until the warranty runs out and I was thinking around 2.5' but would like some input.
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exhaust size
- Thread starter chrisyoung10
- Start date
mobomelter
Member
- :
- 2004 Civic Si
i think if you get too big you start to lose power with a n/a engine. i used 2.25 on my focus engine but i don't think 2.5 would hurt anything on the 3.
note: i'm only basing my comments on what i've learned from my focus and what i've heard.
note: i'm only basing my comments on what i've learned from my focus and what i've heard.
Last edited:
goldwing2000
Turd in the punch bowl
- :
- 2004 Mazda3s Hatch; 269,000 miles
On a n/a engine, making the exhaust any bigger then the intake is completely pointless and will actually detract from the performance.
In fact, a little smaller might be better because it would keep thinks flowing and allow the sysytem to stay at temperature.
If you have a huge exhaust, then you get hot spots and cold spots and the different air densities cause turbulent flow.
In fact, a little smaller might be better because it would keep thinks flowing and allow the sysytem to stay at temperature.
If you have a huge exhaust, then you get hot spots and cold spots and the different air densities cause turbulent flow.
goldwing2000
Turd in the punch bowl
- :
- 2004 Mazda3s Hatch; 269,000 miles