Replacing a side pipe muffler

[jbcobra67]

I should get my new mufflers this week. I'll post the results when complete.
Eric at Classic Chambered is a very good guy.

[jbcobra67]

Well I got the new mufflers and installed them. This is one of the best upgrades I have made to my car. I was just looking for a different sound, I got the sound I was looking for. It sounds like I got a new motor, it is unbelievable. The core on my old muffler was 1 1/2" ID and the new ones are 2 1/2" ID. I know it had to free up hp, Eric says between 30 and 50 to the rear wheels. A big thanks to Classic Chambered I'm so pleased. I'll attach a couple of pics and a sound bite later.

[FUNFER2]

I like these mufflers, sound great and can free up some HP/TQ, but certainly not 50 rwhp, not a chance. That would mean apx. 60-80 at the crank. We've tested on the chassis dyno at around 15-25.

I'll never go back to the original type systems that a lot of replica manufactures make. Their very restrictive !

Have fun listing to your motor !

[jbcobra67]

Believe what you want. Go to the Classic Chambered web site and read the performance data page. He just goes by what he has seen on the dyno. Can't argue with numbers.

Answer to a PM. The ones I got are 24" long. I've never installed anything that was exactly like the instructions he provides on the web site. I wouldn't say easy because there is cutting, grinding and welding involved but not bad. 3 hours start to finish. Then just paint and install on the car.

[jbcobra67]

Muffler Pics

[FUNFER2]

Numbers can be manipulated by the operator.

[Don]

" The other trick is just a slight downturn on the tailpipes. Too much downward angle and the noise is bouncing right back up at ya. "

Keyword being " slight ". Too much of an angle will also kick up the loose dirt etc., etc......especially when on non-paved grounds at car show, cruise nights etc., even on paved streets.