TRUE duals, no x-pipe or h-pipe
Thread Starter
On The Tree
Joined: Jan 2019
Posts: 103
Likes: 3
From: north-central Virginia
TRUE duals, no x-pipe or h-pipe How bad does a stock LS engine sound with completely true dual exhaust(no cross-over pipe of any sort)? How much does it hurt performance? Are the downsides negligible, or substantial?
In my application(4wd truck), it would allow the exhaust to be tucked higher, and not be scraping on every little bump. Also, if designed right, serviceability would be improved, since each side could be removed/reinstalled independently, for easier access to the transmission, etc.
Any dyno data or sound clips would be appreciated.
In my application(4wd truck), it would allow the exhaust to be tucked higher, and not be scraping on every little bump. Also, if designed right, serviceability would be improved, since each side could be removed/reinstalled independently, for easier access to the transmission, etc.
Any dyno data or sound clips would be appreciated.
I like dual exhaust without crossover. It sounds more old school like “musclecar”and less “Corvette.
I don’t race and on the street the little power loss IF any, is not a concern for me.
I had both configurations on the same car (Impala SS) Now having H-pipe, but want to remove it to install separate intermediate pipes.
I also helps isolate issues when engine runs bad as each tail pipe is a completely separate engine bank, helps to point isolate misfire, bad O2 sensor, etc.
Big single exhaust on F-body sounds good too.
I don’t race and on the street the little power loss IF any, is not a concern for me.
I had both configurations on the same car (Impala SS) Now having H-pipe, but want to remove it to install separate intermediate pipes.
I also helps isolate issues when engine runs bad as each tail pipe is a completely separate engine bank, helps to point isolate misfire, bad O2 sensor, etc.
Big single exhaust on F-body sounds good too.
Thread Starter
On The Tree
Joined: Jan 2019
Posts: 103
Likes: 3
From: north-central Virginia
I definitely won't be installing duals with a crossover. If I feel it's worth crossing over, I'll run single exhaust.
I never recorded my separate duals. Now the car has H-pipe and sounds more “even” as compared to separate pipes where pulsations from tailpipes were more choppy. All else on my exhaust was the same including mufflers.
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Engine masters has done multiple tests, Dual versus single exhaust, Muffler shootouts, Straight pipe versus H-pipe and X-Pipe and the biggest factor was always the muffler, Some lost HP and some gained over no mufflers at all. On the dual exhaust test with straight and H and X there was very little gain with the crossover and almost no difference between running a H versus X crossover. I run 3" duals with no crossover on my S10 and my Son In-laws Nova runs 3" with a crossover, Honestly they both sound good and loudness/tone depends on muffler choice. We've both tried different mufflers and they can completely change how it sounds.
Straight Exhaust vs. H Pipe vs. X Pipe! Engine Masters Ep. 22
Straight Exhaust vs. H Pipe vs. X Pipe! Engine Masters Ep. 22
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