How much quieter are high flow cats say compared to test pipes?
How much louder are high flow cats compared to OEM Cats?
Which High Flow Cat would you suggest for a 2002, "LEV" type exhaust and why?
Thanks for your help and insight into this.
Ian
How much louder are high flow cats compared to OEM Cats?
Which High Flow Cat would you suggest for a 2002, "LEV" type exhaust and why?
Thanks for your help and insight into this.
Ian