Stock headers vs. aftermarket

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Jun 17, 2013 | 12:12 AM

Cuzzi5

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Driver School Candidate

Joined: Jun 2013

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From: Al

Stock headers vs. aftermarket

Will I notice any gains by adding performance headers on my 2003 Lexus is300? If so, which would you recommend?

Jun 17, 2013 | 04:20 AM

Endika

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Joined: Dec 2011

Posts: 89

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From: Connecticut

I'll just leave this here:
http://my.is/forums/f184/official-de...review-458858/

Jun 26, 2013 | 02:25 PM

Bezik777

Driver

Joined: May 2009

Posts: 124

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From: IL

more info . in the end stock headers are the choke point in the is300 exhaust system ...

http://my.is/forums/f88/official-is3...thread-429150/

Jun 30, 2013 | 05:36 AM

Willmkent

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Joined: Mar 2013

Posts: 42

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From: Michigan

Should look into the new dezod green header, they are making an excellent product

Jul 7, 2013 | 05:36 AM

is3wagon

Driver

Joined: Mar 2013

Posts: 155

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From: n.j.

Looks like i kno what im buying next month. My stock cats are finally spent after 198,974 miles. Thanks for the link

Dec 18, 2013 | 03:42 AM

l2apid

Driver School Candidate

Joined: Dec 2013

Posts: 2

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From: ca

whats up i wanna know a good exhaust setup please anyone got ideas

Dec 18, 2013 | 03:44 AM

l2apid

Driver School Candidate

Joined: Dec 2013

Posts: 2

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From: ca

also if anybody has a stag 2 list of upgrades for 2001 lexus is300 AT
what are some good fuel injectors for it

Stock headers vs. aftermarket

Stock headers vs. aftermarket

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