ML63 Street-Legal Downpipes for Sale
However, when paired with a good tune all of those figures change. With a proper tune the off-road downpipes make more horsepower than the street legal downpipes. Both sets of downpipes, however, make more horsepower when coupled with a proper tune.
With all that being said. The off-road downpipes are very loud on an ML63 and if you are planning to install them without a tune they will also trigger a check engine light for cat inefficiency readings. The street-legal downpipes will not trigger a check engine light.
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However, when paired with a good tune all of those figures change. With a proper tune the off-road downpipes make more horsepower than the street legal downpipes. Both sets of downpipes, however, make more horsepower when coupled with a proper tune.
With all that being said. The off-road downpipes are very loud on an ML63 and if you are planning to install them without a tune they will also trigger a check engine light for cat inefficiency readings. The street-legal downpipes will not trigger a check engine light.
Could you also provide pricing to 2167 sydney Australia.
If I cannot get a concrete response I may just modify the OEM downpipes and put HJS 300cell metal core high flow cats in place of the stock units since mine ar slowly reaching the end of their life.




