[wanab65]

I am not sorry this topic was brought up again. I have revived a 1991 CR that had sat for 25 years. Got it street worthy again but the 351 w just seemed to run out of steam after 3,000 rpm. I never thought those nice chrome side pipes were causing so much restriction. After reading everyone's comments I called Summit and some Jones 30 inch glass packs arrived in just a few days. I ordered glass packs with 3 inch internal pass through. Two hours labor and I took it out for a drive. I am amazed at the engine response now and of course the noise level has gone up, but not that much. Thanks to all for your photos and comments on how to get the job done.