Quote:
Originally Posted by Steve Tinker
To get a "reasonable" increase in volume and performance, I spent a considerable amount of time and effort and found:
1) Decent equal length headers are a must - Top Speed parts in Dallas, US, work very well and are a bargain price.
2) Cat bypass pipes - again from Top Speed but illegal in Australia and you need to install a boss for the O2 sensor.
3) Retain the rear muffler - heavy but no drone - quiet untill 3,500 rpm then quite loud.
I've had the above system fitted for 2 years now and my wife still doesn't know its fitted as its still very quiet at crusing speeds.....
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Thanks Steve Tinkler, sounds like what i've been searching for then. The last 2 exhaust mufflers I tried both droned at cruising speeds around the 1800 to 3500rpm. Drone was horrible and deafening and my ear drums would hurt after a few minutes ending with a splitting headache for half an hour after a drive. I'll have a look into your setup and might give it one last go
