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Old 04-24-2007, 07:14 PM   #1
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Exhaust system?

Does amyone know of a good exhaust system that will make the v-6 sound more throaty
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Old 04-24-2007, 10:15 PM   #2
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There are a bunch out there; Borla, Flowmaster, TRD, etc. Search around. I don't know of any "bad" brands. I personally am leaning towards the Borla, but the TRD is covered under warranty.
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Old 04-27-2007, 10:55 AM   #3
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i've got the Magnaflow one that i got off of ebay from a guy and i love the sound of it. i can actually hear my truck now...
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Old 04-27-2007, 11:37 AM   #4
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jhodge...mind if i ask how much you nabbed that up for? liking the sound of that one too (based on their website)
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Old 04-27-2007, 01:27 PM   #5
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i got mine off ebay for 160....i think they retail from the site for 450 or so....i'd keep an eye out on ebay...here's a link for what you need...i'd try to catch one on a deal

http://cgi.ebay.com/ebaymotors/Magna...11140303QQrdZ1
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Old 04-27-2007, 01:31 PM   #6
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Thumbs up

Ditto on the Magnaflow.
Check here for prices on a Cat Back system, also mention that your a member of a truck forum, they'll nock off another 10%.

http://www.hottexhaust.com/Index2.htm
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Old 04-27-2007, 01:41 PM   #7
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i paid 160 for it on ebay....i think the retail is 450 or so...keep checking on there for a deal if you can snag one
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Old 04-28-2007, 11:25 AM   #8
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I have TRD on mine, and I really like the tone. Add TRD cai and use 93 Octane, and you will notice a performance difference!
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Old 04-29-2007, 04:29 PM   #9
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Does your Tacoma engine have such a high compression ratio that 93 octane gas would actually help performance?
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Old 04-30-2007, 08:04 AM   #10
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The V6 has 10:1. The manual states that "premium" fuel will provide the best
performance. That along with the TRD exhaust and CAI really improved the performance of mine!
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Old 04-30-2007, 08:35 AM   #11
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Hoofhearted:
My '07 V6 owners manual does not say anything about using 93 octane, only regular gas. What year is your Taco ???
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Old 04-30-2007, 10:18 AM   #12
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Quote:
Originally Posted by Panama Red View Post
Hoofhearted:
My '07 V6 owners manual does not say anything about using 93 octane, only regular gas. What year is your Taco ???
The manual does state that 91 was used for all tests.
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Old 04-30-2007, 11:46 AM   #13
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Mine is an `05.
Cut and pasted from page 382 in my manual:
Fuel type:
2TR- FE engine—
Unleaded gasoline, Octane Rating 87
(Research Octane Number 91) or
higher
1GR- FE engine—
Unleaded gasoline, Octane Rating 87
(Research Octane Number91) or higher.
For improved vehicle performance,
the use of premium unleaded gasoline
with an Octane Rating of 91 (Research
Octane Number 96) or higher is recommended.
Hoof?
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Old 04-30-2007, 11:48 AM   #14
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On page 276 of the 2007 Owners Manual, it says "Select Octane Rating of 87 or higher. Use of unleaded gasoline with an Octane Rating lower than 87 may result in engine knocking. Persistant knocking can lead to engine damage."

Just make sure you know the difference between Octane Rating and "Research Octane Number". Octane Rating of 87 = Research Octane Number 91.

Sounds like they revised the Owners Manual since 2005.
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Old 04-30-2007, 01:34 PM   #15
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This may explain the ongoing debate as to which Octane Rating to use:

1GR-FE 4.0L V6 from a 2007 Toyota Tacoma. The 1GR-FE is the 4.0L version. Bore is 94 mm and stroke is 95 mm. Output is 236 hp (183 kW) at 5200 rpm with 266 lb-ft (382 Nm) of torque at 4000 rpm on 87 octane, and 239 hp at 5200 rpm with 278 lb-ft at 3700 rpm on 91 octane. This engine features Toyota's single VVT-i, variable valve timing, system and a compression ratio of 10.0:1. Inside, the 1GR uses a taper-squish combustion chamber design with matching pistons to improve anti-knocking and engine performance, while also improving intake and fuel efficiency. Toyota adopted a siamese-type intake port, which reduces the surface area of the port walls and prevents fuel from adhering to such walls. This engine has special cast-iron cylinder liners cast into the block, which are a spiny type to improve adhesion between the liner and cylinder block. With these special thin liners it is impossible to bore the block. In the event of cylinder wall damage (scoring, deep protrusions, etc), the entire cylinder block must be replaced. For increased block rigidity, the 1GR also receives a high temperature plastic insulator/protector, which fills the empty space between the outer portion of the cylinders and block material common to open deck engines. For increased cooling efficiency, the 1GR employs water passages between the bores of the engine. There are such 2 passages for each bank for a total of 4. This reduces cylinder hot-spotting and keeps combustion chamber temperatures more uniform.

Some applications:

2003 Toyota 4Runner
2003 Toyota Land Cruiser (Europe)
2005 Toyota Tacoma
2005 Toyota Tundra
2005 Toyota Fortuner (Middle East)
2007 Toyota FJ Cruiser
2007 Toyota Tacoma
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Old 04-30-2007, 01:40 PM   #16
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well i guess i learned something today. i didnt think that from 87-91 octane would boost 12lb of torque...not shabby...but i'm not paying it at these prices...lol
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Old 05-04-2007, 06:45 AM   #17
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some exhausts on ebay w/ no reserve....

http://cgi.ebay.com/2005-BORLA-EXHAU...QQcmdZViewItem

http://cgi.ebay.com/GIBSON-SWEPT-SID...QQcmdZViewItem

and this one looks great, but pricey...

http://cgi.ebay.com/MBRP-05-07-Toyot...QQcmdZViewItem

hope this helps someone out
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Old 08-11-2007, 01:15 PM   #18
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Quote:
Originally Posted by Panama Red View Post
On page 276 of the 2007 Owners Manual, it says "Select Octane Rating of 87 or higher. Use of unleaded gasoline with an Octane Rating lower than 87 may result in engine knocking. Persistant knocking can lead to engine damage."

Just make sure you know the difference between Octane Rating and "Research Octane Number". Octane Rating of 87 = Research Octane Number 91.

Sounds like they revised the Owners Manual since 2005.
No that is what my 2006 Operators Manual says.
I have not seen a differance between 87 and 91 or 93.
No ethanol.
This taco is never going to see 5200 RPM.
So, over 87 is just a waste of resources.
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Old 08-11-2007, 05:09 PM   #19
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flowmaster

i got mine for $150.... 40 series...including labor and exhaust tip
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Old 08-11-2007, 07:48 PM   #20
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I had a Magnaflow. Thought it was too loud. Sold it. Put back on my original cat-back. Discovered it was now too quiet. So I went and bought another MagnaFlow cat-back. Now it sounds good... or it did... or it does again.
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