hole in down pipe

[kingos2]

just woundering what afects a hole in the down pipe under the heatshield would cause, hopefully it's the answer to my running problems i've been having. any help would be good cheers.

[kingos2]

i know the lambada probe senses back pressure does it cause poor running like i have,lack of power, hesitation at 3000rpm juddery all through revs in all gears?

[euans2]

I have the same problem as you mate. There is definatly a lack in performance in my car with the hole being there

[kingos2]

im getting mine welded this week somtime iäll keep u posted on the outcome euans2