Originally posted by Tristan Smith:
I didn't have much luck with the "bullit" glasspack type mufflers. Keep us (me) posted on how it works out.
Tristan... Thanks for the input...
I'm am installing a HotShot header (Tri-Y w/ 2.5" collector, about 1 5/8 primaries and 2" seconaries), which at this point is going to be unmodified. I may lop off the last few inches of the secondary tubes to install a proper 2-into-1 merge collector followed by an expansion chamber, then a muffler, then tailpipes..., but for now, I'll likely just leave the header alone and concentrate on completing the rest of the system...
With our other car, running the same header, more cam, and 12:1 compression, we are easily able to make about 98-99 db... This car has a Dynomax Bullet muffler under the car, with a second Auger muffler installed in the stock location...
Mine, with factory manifold, and current exhaust (including blown out bullet muffler...), was hitting about 103db after the muffler blew out (rusted...
)...
I'll take heed of what you said and develop a full length system...
If you don't mind divuldging, what size exhaust are you using? Mine is currently 2 1/4", but I wish to move it to 2.5"... We've been told that the dyno shows that 3" actually loses power, though I think I may selectively use some 3" with transition cones in an attempt to alter the velocity of the gases in strategic locations...
It's all just theory at this point... We'll see what I eventually end up with...
Feel free to e-mail me directly if you'd like: Banzai240 (AT) yahoo.com
Thanks again for the comments...
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Darin E. Jordan
SCCA #273080, OR/NW Regions
Renton, WA
ITS '97 240SX