Opinions on Crossflow/Transverse Mufflers

[cook_dw]

I am just wanting a good sounding exhaust system that is stock in appearance but with headers, x-pipe going into a crossflow or transverse muffler and exiting in stock location(67-8) on a BBC Camaro. No true duals.. It can be either 2.5"in / 2.5"out or 3"in / 2.5"out. So tell me what you have or what you have heard? I am leaning towards one muffler but I havent heard it in person yet. If you happen to have sound bites load them up as well.

[JRSully]

I have a Pypes "Race Flo" transverse/Crossflow muffler in my L78 Nova. Has headers and X pipe. The sound is very mello at idle, not totally quiet, but subdued, When you punch it, it sounds almost like a full open system, but only when you hit it. I very much like it, but that is my opinion. You can go to the Pypes site and hear sound bites. I think they have Marlin's Yenko Nova with the same set up. Good Luck

[YENKO DEUCE REGISTRY]

Love mine! <<GRAEMLIN_URL>>/biggthumpup.gif

They angle cut the tailpipes for me so it looks dead stock - till you get on it! <<GRAEMLIN_URL>>/grin.gif

[cook_dw]

Thanks for the info guys. Keep the comments coming!!! <<GRAEMLIN_URL>>/smile.gif

[Chevy454]

I also have the Pypes transverse Race Pro w/ x-pipe...but I run exhaust manifolds. Picked up 1+ mph and a tenth or more over a Flowmaster setup...in Pure Stock trim it's run a best of 11.73 @ 118 on the Polyglass and through the exhaust.

[YENKO DEUCE REGISTRY]

http://pypesexhaust.com/i-13997145-marlin-spotts.html

[jasonL78]

I have the flow master American thunder under the L79 . The only thing I don't like about the exhaust is it had to be cut to exit like Marlins car. Designed really for a camaro but will work on the nova. For me when I back my car out of the garage on a dirt area the dust is real bad because the exhaust points down with a small angle. I may try to modify mine this winter to exit out the side behind the rear tires. I am in the process of going to the stock exhaust manifolds. Do too, way 2 much heat in the engine compartment from the headers. It also looks like the Pypes tail pipes exit farther back and have a different angle which might help on dirt roads. Mine almost goes straight down. You can see it in the video. Click the image for the video.

http://i35.photobucket.com/albums/d189/jasonchale/1968%20L79/th_IMG_0442_zpsabadd505.jpg (http://i35.photobucket.com/albums/d189/jasonchale/1968%20L79/IMG_0442_zpsabadd505.mp4)

[roeville]

I run a transverse Flowmaster. There is a low to mid range drone that I don't particularly like but I've lived with it for 14 years. Mike

http://m.youtube.com/watch?v=5NsIy5mAwxk&amp;desktop_uri=%2Fwatch%3Fv%3D5Ns Iy5mAwxk



http://i630.photobucket.com/albums/uu27/roeville/image_zpsc14b92c4.jpg (http://s630.photobucket.com/user/roeville/media/image_zpsc14b92c4.jpg.html)

[cook_dw]

Thanks for the link &amp; beautiful cars btw..

[92646]

I had a Flow master crossover muffler on a 1970 L78 Nova with the tips that ended at the quarter panels. I really liked the sound but I did not like the way the 2.5&quot; pipes came out straight out of muffler then bent back to the back of the car. It limited the amount of wheel and tire back spacing I could put in the rear fenders.

[GaryC]

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: roeville</div><div class="ubbcode-body">I run a transverse Flowmaster. There is a low to mid range drone that I don't particularly like but I've lived with it for 14 years. Mike

http://m.youtube.com/watch?v=5NsIy5mAwxk&amp;desktop_uri=%2Fwatch%3Fv%3D5Ns Iy5mAwxk



http://i630.photobucket.com/albums/uu27/roeville/image_zpsc14b92c4.jpg (http://s630.photobucket.com/user/roeville/media/image_zpsc14b92c4.jpg.html)
</div></div>

This car is saaaweeet. My most favorite of all the 70's Z's, color and all. Nice. Your one lucky dude.

[Andy]

+1 for pypes. I put one on my uncles 78 Z28 and really likethe sound. I could tell a definite difference in power and throttle response from the stock 350.