Jay85 Posted May 11, 2014 Share Posted May 11, 2014 (edited) So I've had a look at fitting a de-cat and bought a blitz cast one with two bungs, the idea being that I would use the lower bung for a wide band, however when I've had a look at mine it has two censors are both lambda's? And are both needed?CheersJ Edited May 11, 2014 by Jay85 Quote Link to post Share on other sites
Ollieh17 Posted May 11, 2014 Share Posted May 11, 2014 On the standard cat one is a lambda one is a cat temp sensor or something. You only need the lambda. Going by wideband guidelines though a bung in the decat may be too close for the sensor and affect its life. Aem recommend 18"s from turbo, maybe more Quote Link to post Share on other sites
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