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Dual Exhaust on 3.4 Liter Tacoma

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Old 09-05-2009, 09:19 PM   #1
keeganfl [OP] keeganfl is offline
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Dual Exhaust on 3.4 Liter Tacoma

has anybody put dual exhaust on their tacoma? if so have you noticed any increase in mpg?
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Old 09-13-2009, 11:13 AM   #2
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For the cost of a true dual exhaust, it will be a LONG time before you make up the cost difference. The tacomas I've seen with true duals had negligable (if any) improved mpg. Believe it or not, the factory exhaust is fairly decent flowing.
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Old 09-13-2009, 11:17 AM   #3
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i have a single in and dual out magnaflow muffler and i didnt notice any difference at all in the mpg, it was a decent difference when i paired it with the deck plate mod. but exaust alone is not going to make any noticeable difference other than sound. unless you do a full exaust with headers and all
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Old 09-13-2009, 12:11 PM   #4
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Quote:
Originally Posted by mcorbin View Post
For the cost of a true dual exhaust, it will be a LONG time before you make up the cost difference. The tacomas I've seen with true duals had negligable (if any) improved mpg. Believe it or not, the factory exhaust is fairly decent flowing.
X2. I have actually seen better gains with a single exhaust than a dual, on most NA engines.
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Old 09-13-2009, 12:18 PM   #5
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my cousin has duals flowmaster 40s on his 3.4 and i have the stock pipe with one flowmaster 40 his is deeeper but one gained 1mph on average and i cant tell a diff other than sound
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