Joined: Dec 2000 Posts: 4,248teamzr1 Owner - Pays the bills
teamzr1 Owner - Pays the bills Lives in Engine Bay
Joined: Dec 2000
Design testing of end of tailpipes 2,5 and 8 inch longer then in design 2. Each additional length to bring end of tailpipes further away from underside reduced sound level in drivers are from mid 80s DBA to 78 DBA at idle but no loss to sound level at the end of tailpipes.