Here's a thread I started a couple months ago that may help you out :
SHOW ME YOUR TIPS

Since the thread (or should I say BECAUSE of that thread) , I changed MY tips to Magnaflow 3�½" straight-cut , double-walled tips . I'm running a quality glasspack muffler in place of the res , 2�½" pipes after the "Y" into 2 Magnaflow stainless mufflers .

Here are my 2 pics





~~~~~~~ Phil Black & Tan 2000 SVT Contour #2137 of 2150 35,000 miles & counting !