Slant Six Forum :: New Exhaust Suggestions

I ran a new exhaust system on my 225 last year.

2 inch pipe from the manifold to under the floorpans, into a 22" glasspack. Then ran a few feet of 1 3/4", tapered to 1 1/2" over the rearend, and finally ended with 1 1/4" tailpipe.

Sorry for poor video quality, but here's a video of the 225.
https://www.youtube.com/watch?v=y1RSBKBUyKk

I also have a straight six maverick. 2.5" pipe into a y pipe, branching into (2) 12" glasspacks, ran to the sides. All 2.5" gives a more hollow sound until revved.

video sound is from an old camera phone, and is bad. Sounds like a V8 in person however, nobody can guess its an inline.
https://www.youtube.com/watch?v=ODf8hkoy3DE

I have another Maverick that's straight piped, here.
https://www.youtube.com/watch?v=73yAJ8tsDsU

hope some of that is useful.

Quote:

This sounds amazing on your truck! What kind of glasspack did you buy?

Quote:

This sounds amazing on your truck! What kind of glasspack did you buy?

22" Thrush.

The key with a smaller engine is to taper the exhaust pipe down in size, giving you good back pressure and a better sound in my opinion.

Do the same thing to a V8 and you get the old school crackle and pop.

Like I said, I put the glasspack right at my feet so the rest of the pipe could be what builds up pressure.

Author:	Viper2497 [ Fri Jun 13, 2014 9:38 pm ]
Post subject:	New Exhaust Suggestions
I need some suggestions. I have a /6 225 and I am looking to do the exhaust. I realize that you cannot make a six cylinder sound like a V8, But I want it to sound like it has some power behind it. Right now mine sounds like a cross between a Diesel and a 4 Banger. Throw out anything that you have experienced that you believe sounded good. Thanks, Kyle P.S. - I want to keep the Stock Headers and single pipe system.

Author:	Joshie225 [ Sat Jun 14, 2014 9:26 am ]
Post subject:
For the stock manifold I have used, and been rather happy with, a full 2 1/4" system using a Dynomax Super Turbo muffler. You get the cool straight-six sound without excessive noise. http://www.summitracing.com/parts/wlk-17731/overview/ If you want to install the system yourself and/or don't have a good custom exhaust shop you can buy the Accurate ltd. system with the HP option. You'll want to ask what muffler they include. It may be the Dynomax, but might be something quieter. http://www.accurateltd.com/63-73-A-Body ... p_193.html

Author:	Damraider [ Sat Jun 14, 2014 9:41 am ]
Post subject:
I used the Accurate system and it is really nice , tell them that you are a FABO member and they give you 10% off .

Author:	BigBlue91 [ Wed Jun 18, 2014 6:30 pm ]
Post subject:
I ran a new exhaust system on my 225 last year. 2 inch pipe from the manifold to under the floorpans, into a 22" glasspack. Then ran a few feet of 1 3/4", tapered to 1 1/2" over the rearend, and finally ended with 1 1/4" tailpipe. Sorry for poor video quality, but here's a video of the 225. https://www.youtube.com/watch?v=y1RSBKBUyKk I also have a straight six maverick. 2.5" pipe into a y pipe, branching into (2) 12" glasspacks, ran to the sides. All 2.5" gives a more hollow sound until revved. video sound is from an old camera phone, and is bad. Sounds like a V8 in person however, nobody can guess its an inline. https://www.youtube.com/watch?v=ODf8hkoy3DE I have another Maverick that's straight piped, here. https://www.youtube.com/watch?v=73yAJ8tsDsU hope some of that is useful.

Author:	Viper2497 [ Thu Jun 19, 2014 4:43 pm ]
Post subject:
Quote: I ran a new exhaust system on my 225 last year. 2 inch pipe from the manifold to under the floorpans, into a 22" glasspack. Then ran a few feet of 1 3/4", tapered to 1 1/2" over the rearend, and finally ended with 1 1/4" tailpipe. Sorry for poor video quality, but here's a video of the 225. https://www.youtube.com/watch?v=y1RSBKBUyKk I also have a straight six maverick. 2.5" pipe into a y pipe, branching into (2) 12" glasspacks, ran to the sides. All 2.5" gives a more hollow sound until revved. video sound is from an old camera phone, and is bad. Sounds like a V8 in person however, nobody can guess its an inline. https://www.youtube.com/watch?v=ODf8hkoy3DE I have another Maverick that's straight piped, here. https://www.youtube.com/watch?v=73yAJ8tsDsU hope some of that is useful. This sounds amazing on your truck! What kind of glasspack did you buy?

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Author:	oldskoolracer [ Thu Jun 19, 2014 4:52 pm ]
Post subject:
I have the stock 2 1/4" into a thrush turbo muffler out into the stock 2" tail section. Sounds decent, but still has a "restricted" sound to it so I plan on upping it to 2.5" or at least just finishing out with 2 1/4".... Put an open element air cleaner on it too wich added some pretty cool engine noise to go with it

Author:	BigBlue91 [ Fri Jun 20, 2014 12:21 pm ]
Post subject:
Quote: Quote: I ran a new exhaust system on my 225 last year. 2 inch pipe from the manifold to under the floorpans, into a 22" glasspack. Then ran a few feet of 1 3/4", tapered to 1 1/2" over the rearend, and finally ended with 1 1/4" tailpipe. Sorry for poor video quality, but here's a video of the 225. https://www.youtube.com/watch?v=y1RSBKBUyKk I also have a straight six maverick. 2.5" pipe into a y pipe, branching into (2) 12" glasspacks, ran to the sides. All 2.5" gives a more hollow sound until revved. video sound is from an old camera phone, and is bad. Sounds like a V8 in person however, nobody can guess its an inline. https://www.youtube.com/watch?v=ODf8hkoy3DE I have another Maverick that's straight piped, here. https://www.youtube.com/watch?v=73yAJ8tsDsU hope some of that is useful. This sounds amazing on your truck! What kind of glasspack did you buy? 22" Thrush. The key with a smaller engine is to taper the exhaust pipe down in size, giving you good back pressure and a better sound in my opinion. Do the same thing to a V8 and you get the old school crackle and pop. Like I said, I put the glasspack right at my feet so the rest of the pipe could be what builds up pressure.

Author:	Viper2497 [ Tue Jun 24, 2014 10:37 am ]
Post subject:
Quote: Quote: Quote: I ran a new exhaust system on my 225 last year. 2 inch pipe from the manifold to under the floorpans, into a 22" glasspack. Then ran a few feet of 1 3/4", tapered to 1 1/2" over the rearend, and finally ended with 1 1/4" tailpipe. Sorry for poor video quality, but here's a video of the 225. https://www.youtube.com/watch?v=y1RSBKBUyKk I also have a straight six maverick. 2.5" pipe into a y pipe, branching into (2) 12" glasspacks, ran to the sides. All 2.5" gives a more hollow sound until revved. video sound is from an old camera phone, and is bad. Sounds like a V8 in person however, nobody can guess its an inline. https://www.youtube.com/watch?v=ODf8hkoy3DE I have another Maverick that's straight piped, here. https://www.youtube.com/watch?v=73yAJ8tsDsU hope some of that is useful. This sounds amazing on your truck! What kind of glasspack did you buy? 22" Thrush. The key with a smaller engine is to taper the exhaust pipe down in size, giving you good back pressure and a better sound in my opinion. Do the same thing to a V8 and you get the old school crackle and pop. Like I said, I put the glasspack right at my feet so the rest of the pipe could be what builds up pressure. Couldn't quite find one for 22". Found a 27" with 22" Baffles, Is that the right one?

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