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I ran this exhaust (from new) for 2 years (on track ONLY so no winter salt) and with no issues passing 105dB noise tests. It was always under 100db at static 3/4revs (with 3" DP, and Tomei elbows).
The car ran up to 700bhp.
It has a 3.5" bore.
The pipework is free from dents, but isnt bling! The back box is still shiny
£225 + postage
Full info here HKS SILENT HI POWER EXHAUST SYSTEM R32 GTR :: Sumo Power
Pics -
and on the car...
The car ran up to 700bhp.
It has a 3.5" bore.
The pipework is free from dents, but isnt bling! The back box is still shiny
£225 + postage
Full info here HKS SILENT HI POWER EXHAUST SYSTEM R32 GTR :: Sumo Power
Pics -

and on the car...

