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123gt · Jul 17th, 2016, 09:19

I have recently purchased (yet to be fitted) a stainless steel exhaust system from one of the Swedish quality suppliers for my rebuilt B18B motor. The system is standard design with dual downpipes from original manifold, 2” to muffler and resonator then 1 3/4 “ from resonator to tailpipe in keeping stock standard.
In hindsight I’m not sure if I have made the correct decision as I am thinking I should have gone with a full 2” system or dual tail pipes as fitted to the P1800. Any advice would be really appreciated regarding sacrificing performance considering the reduced diameter of the final section of the system.

Jul 17th, 2016, 09:19	#1
123gt New Member Last Online: Jun 23rd, 2022 10:02 Join Date: May 2007 Location: Brisbane	Stainless Steel Exhaust (standard) I have recently purchased (yet to be fitted) a stainless steel exhaust system from one of the Swedish quality suppliers for my rebuilt B18B motor. The system is standard design with dual downpipes from original manifold, 2” to muffler and resonator then 1 3/4 “ from resonator to tailpipe in keeping stock standard. In hindsight I’m not sure if I have made the correct decision as I am thinking I should have gone with a full 2” system or dual tail pipes as fitted to the P1800. Any advice would be really appreciated regarding sacrificing performance considering the reduced diameter of the final section of the system.