What is Vauxhall TwinPort?

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Tags

1. #closing
2. #pattern
3. #twinport
4. #choke
5. #version
6. #technology
7. #swirl
8. #features
9. #economy
10. #better
11. #strong
12. #updated
13. #family
14. #higher
15. #providing
16. #levels
17. #intake
18. #ports
19. #engine
20. #torque