Guest edcotic Posted October 29, 2006 hi is there a difference between a 1.9 and a 1.6 exhaust backbox. Do either suffocate an MI much ta Share this post Link to post Share on other sites
Baz 421 Posted October 29, 2006 Nope, 1.6 and 1.9 BB's are exactly the same. the standard exhaust system is generally thought of to be pretty good. Share this post Link to post Share on other sites
