Will a small exhaust leak between the header and the cat or the cat and the B-pipe hurt performance at all??? Also, I just had a 2 1/4" mandrel bent b pipe installed on my 2000 Si but my old axle back would not bolt up. So I had a muffler shop weld my old muffler onto the new 2 1/4" mandrel bent b pipe. The muffler shop used crush bent 2 1/4" tubing for the axle-back. My question is will I lose alot, if any, power from this small section of crush bent tubing?

 

ttt

 

God damn I'm tired of stumbling across this post. A leak won't do shiet except make your car sound like an 88 Toyota Corolla. Crush bent tubing sucks and your exhaust system sounds ghey to me. With the leaks and crush bent tubing you're looking at a whopping loss of 0.02695 horses at the wheels. One way or another you're still making better than stock.

 

At that point I would have had the shop just make a 3" crush bent exhaust I'm not sure of the exact conversion but i think 3" crush bent will flow around a 2 1/2 or 2 1/4 mandrel bent


[Modified by Fillmore Slim, 5:09 PM 4/9/2002]

 

Well I hardly consider a Thermal R&D 2 1/4" mandrel bent catback pipe ghey. My axle-back is ghey but that will be gone soon. Most likely going to be replaced with a 5zigen axle back connected to my Thermal B-pipe or an Apexi N1 universal with custom 2 1/4" MANDREL bent axle-back piping to mate up to the Thermal B-pipe.

 

By no means is Thermal ghey, I have the full exhaust system and I love it. I meant ghey as in ghetto, sorry, just a little fed up with seeing this thread floating around everywhere. Mandrel bent

 

no prob.