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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » Astra F('95-) Gsi 2.0 16v performance question » Post Reply
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miles |
posted on 3rd Jun 03 at 12:58 |
If there is no back pressure then the exhaust gases will leave the engine slowly, as there is no pressure. If there is pressure then they will be made to move out quicker. | |
Lazarus1 |
posted on 3rd Jun 03 at 12:46 |
Ok that was exactly what i wanted to hear cause my friend recently has made a custom exhaust with a straight through pipes on his Astra and he wasnt satisfied with the result.He told me that he felt that the car lost power.Why is that?No back pressure?Explain no back pressure..thanks alot.:) | |
Gambit |
posted on 3rd Jun 03 at 10:37 |
it all depends on how free flowing the GSI std exhaust is to begin with. | |
miles |
posted on 3rd Jun 03 at 09:51 |
Well the top option includes silencers as you can see, so will be quieter. | |
Lazarus1 |
posted on 3rd Jun 03 at 02:39 |
Ok,wich is better for performance: |