Without tuning, you risk engine damage, check. 2007+ altima 3.5se owners only who are interested in aftermarket downpipe Upgrading the downpipe, particularly one with without a catalytic converter, can lead to the check engine light (cel) triggering due to changes in emission levels.
Performance Parts for Nissan Altima at PRO Import Tuners
I've been using the r44 catted downpipes and regularly get a cel and the code is for a aftermarket downpipes being detected
Does that code indicate that the o2 sensors are in danger of.
There's absolutely no reason to get a downpipe without tuning for the downpipe Just get a catback if you want more sound That said, you should get a downpipe and then stage 2 tune it (but not with a cobb.
I've been running catless dps for over 3months without a tune and no cel just by using o2 spacers I've tracked the car and taken it to the limit, all driving modes and still no cel. If you want to run downpipes with no tune, the catted options from active autowerke and fabspeed guarantee no cel Anybody here tried a catless downpipe without any ecu tune
Learn about nissan altima performance upgrades including tuning, intakes, headers, exhaust, pulleys, and turbos for 2.5l and 3.5l engines.
Sort of hidden feature in many nissan vehicles Without a tune, you likely won’t unlock the full potential of a downpipe upgrade A tune optimises your engine, resulting in better boost behaviour and maximising the power gains from the downpipe A quick answer is that you can install the aftermarket downpipe and skip the tuning process
However, it is recommended to tune your aftermarket downpipe to achieve more horsepower and. The downpipe carries exhaust gas from the hot side of your turbo to the rest of the exhaust system Replace a faulty catted downpipe with an oem downpipe or upgrade for more performance with our. Post by loop » sat may 23, 2009 3:54 pm to