Chubbs Posted March 1, 2015 Share Posted March 1, 2015 Right got a question for you all, 4-2-1 or 4-1? What's the difference? And what's better? Quote Link to post Share on other sites
5e colin Posted March 1, 2015 Share Posted March 1, 2015 4/1 is pure for top end with low torque loss ( best for raised revs ) 4/2/1 is best on stock 4efe it has bit of both lower torque and a bit more top end ( best for stock limiter ) Quote Link to post Share on other sites
Chubbs Posted March 1, 2015 Author Share Posted March 1, 2015 Okay brill thanks for explaining I've got stock limiter 4efe Quote Link to post Share on other sites
5e colin Posted March 1, 2015 Share Posted March 1, 2015 4/2/1/ i would use then Quote Link to post Share on other sites
Chubbs Posted March 1, 2015 Author Share Posted March 1, 2015 Okay brill I will get the OBX 4-2-1 much better for my car cheers for the help Quote Link to post Share on other sites
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