Reforming priest gets so far - these won't speed things up! (2-6,7)

I believe the answer is:

go-faster stripes

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'these won't speed things up' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.

'reforming priest gets so far' is the wordplay.
'reforming' indicates an anagram.
'priest'+'gets'+'so'+'far'='priestgetssofar'
'priestgetssofar' is an anagram of 'GO-FASTER STRIPES'.

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(Another definition for go-faster stripes that I've seen is " Stickers on cars to make them look sportier".)

I've seen this clue in The Irish Times.

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