09-04-2012, 06:13 PM
Generally a muffler that changes the direction of the exhaust will be quieter. That rules out most bullet shaped glass-pack mufflers.
http://www.carid.com/flowmaster/flowmast...ffler.html
http://www.dynomax.com/mufflers.php?muffler=superturbo
Both of these companys make quality products.
A turbo-charger is effective as a muffler thus many turbo-diesels will run an after-market straight-thru design to minimize back pressure in the interest of power/economy.
http://www.carid.com/flowmaster/flowmast...ffler.html
http://www.dynomax.com/mufflers.php?muffler=superturbo
Both of these companys make quality products.
A turbo-charger is effective as a muffler thus many turbo-diesels will run an after-market straight-thru design to minimize back pressure in the interest of power/economy.
1993 Newell (316) 45' 8V92,towing an Imperial open trailer or RnR custom built enclosed trailer. FMCA#232958 '67 Airstream Overlander 27' '67GTO,'76TransAm,'52Chevy panel, 2000 Corvette "Lingenfelter"modified, '23 Grand Cherokee.