The 75 and ZT Owners Club Forums

The 75 and ZT Owners Club Forums (https://www.the75andztclub.co.uk/forum/index.php)

- Technical Help Forum (https://www.the75andztclub.co.uk/forum/forumdisplay.php?f=11)

- - Exhaust changing (https://www.the75andztclub.co.uk/forum/showthread.php?t=309453)

MacRob

24th November 2020 20:48

Exhaust changing

When changing the exhaust for either a SS one or just the back box for a performance one, does the car need to be re-mapped to take into account the difference in air flow/back pressure or is it not worth it for the loss of a couple of BHP?

trikey

24th November 2020 20:51

No need to alter the mapping, you should free up a couple of bhp with a free flowing pipe on.

steve-45

25th November 2020 01:35

My answer is still the same as yesterday :shrug:

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