To get more airflow and reduce backpressure, because aftermarket downpipes are less restrictive and provide the most upside in power gains in out of all of the exhaust system The factory downpipe severely restricts exhaust flow and therefor has adverse effects on horsepower, especially once your car is “chipped” There is a post on here about taking an o2 spacer (that has catalyst in it) and modifying an o2 sensor to get the o2 to read properly without the check engine light.
Leyo Motorsport VW MK7 GTI Downpipe | AutoInstruct
I can confirm no cel so far with the spacer and apr provides a software authorization code with the dp so that you can get the free stage ii upgrade
The install was easy on ramps and the apr.
Due to shipping issues the arm downpipe came a week later and i had it installed on friday 8/12 Now a cel has popped up, 2610 code i believe My issue is that apr no longer makes the stg 2. Replace a faulty catted downpipe with an oem downpipe or upgrade for more performance with our selection of aftermarket performance downpipe options.
To fully take advantage of a downpipe on your mk7 gti, an ecu upgrade is required These software tweaks will enable your engine to take full advantage of the huge restriction you just removed. Designed to replace the restrictive factory downpipe and catalytic converter to yield increased horsepower and torque throughout the powerband, reduced turbocharger lag, and an enhanced. I recently purchased the cobb accessport with the intention of getting a downpipe and getting the tune so it would bypass the code
Cobb changed their software so tuners can't bypass the code anymore.
I installed an ie downpipe and a new resonator on my mk7.5 2017 gti There was no cel for almost a month No tune yet, but i plan on getting one soon Is it worth getting it checked out or just tuning the.
