Cornerdealy Posted February 18, 2004 Report Share Posted February 18, 2004 I'm planning on getting some new mufflers and I just want to know what the size of the inlet/outlet sizes on my stock mufflers? Quote Link to comment Share on other sites More sharing options...
Cornerdealy Posted February 18, 2004 Author Report Share Posted February 18, 2004 is it 2.25 or what? Quote Link to comment Share on other sites More sharing options...
93CutlassSupreme Posted February 19, 2004 Report Share Posted February 19, 2004 good luck i asked the same question and no one answered its 2 or 2.25 i held a tape measure to the inlet pipe and got 2 but then again i measured at night, with just a flashlight... 2 seems small... Quote Link to comment Share on other sites More sharing options...
digitaloutsider Posted February 19, 2004 Report Share Posted February 19, 2004 I THINK it's 2.25. Don't put money on it though. Quote Link to comment Share on other sites More sharing options...
TeeJay3800 Posted February 19, 2004 Report Share Posted February 19, 2004 My muffler has 2.25" inlets/outlets. Works perfectly with the factory piping. Isn't this like the 3rd thread this week on exhuast size? Quote Link to comment Share on other sites More sharing options...
Cornerdealy Posted February 19, 2004 Author Report Share Posted February 19, 2004 well I measured the circumference of the inlet and outlet (because I can't take them off yet) and it came out to about 7 inches on both sides. Thus C = pi(D) 7 = pi(D) 7/pi = D D = ~2.22 inches so i guess it is safe to say 2.25 due to human imperfections on my part. Quote Link to comment Share on other sites More sharing options...
99RegalGS Posted February 19, 2004 Report Share Posted February 19, 2004 I measured my exhaust a while back with a dial calipers. It was around 2.25" after the cat. But I have the 3800 so it may be different. Quote Link to comment Share on other sites More sharing options...
Guest Posted February 19, 2004 Report Share Posted February 19, 2004 yeahhh, when i was at the muffler shop the mechanic put his index finger and thumb completely around the pipes, meaning by his ghetto calculation was 2" exactly!!! (i thought it was 2.25 tho.... :shock: ) Quote Link to comment Share on other sites More sharing options...
RedZMonte Posted February 19, 2004 Report Share Posted February 19, 2004 if you have singles then it is most likely 2.25". i know the regal has 2.25" and the 1995 Lumina LS had 2.25" single. on the cars with dual it is 2.25" on the mid pipe and splits to 2" if i remember correctly. eather way any good muffler shop will make a 2.25" work. but i think the duals are 2". Shane Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.