My stock 4 catz.

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Aug 6, 2009 | 12:12 AM

DMD09

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My stock 4 catz.

Which ones should i take out to be higher flow, but also allow the back pressure not ruin my valves?

Aug 6, 2009 | 01:37 AM

DarrenWS6

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From: Mansfield, P.A.

The rears.

Aug 6, 2009 | 12:21 PM

DMD09

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Thanks alot!! Will that increase my horse power?

Aug 6, 2009 | 01:11 PM

DarrenWS6

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From: Mansfield, P.A.

Quote:

Originally Posted by DMD09

Thanks alot!! Will that increase my horse power?

torque will be a little better but nothing very noticeable.

Aug 7, 2009 | 12:04 PM

DMD09

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Oh ok! Thanksman! Ive been trying to look for headers for a 4.2, but can find them, only found headers for 5.4's and up. Any suggestions?

Aug 7, 2009 | 01:24 PM

DarrenWS6

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From: Mansfield, P.A.

Quote:

Originally Posted by DMD09

Oh ok! Thanksman! Ive been trying to look for headers for a 4.2, but can find them, only found headers for 5.4's and up. Any suggestions?

I'm not quite sure if anyone has made headers for the 4.2L.

Aug 7, 2009 | 02:32 PM

bigdog87

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From: Destin, Florida

As Darren said and has done, remove the rear two, really will only add you some exhaust volume and I am almost positive their are no headers for the 4.2.

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