2.4L LE5 Performance Tech 16 valve 171 hp EcoTec with 163 lb-ft of torque

Does GM honed exhaust manifold fit an Auto 2.4L?

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Old Aug 15, 2010 | 06:47 PM
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Does GM honed exhaust manifold fit an Auto 2.4L?

Does the GMPP honed exhaust manifold fit an auto car?
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Old Aug 15, 2010 | 08:01 PM
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For use with 2.0L (LSJ), 2.2L (L61) without California Emmissions, and 2.4L (LE5) engines

Link for more info
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Old Sep 1, 2010 | 11:12 PM
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Originally Posted by CrateEngineDepot
For use with 2.0L (LSJ), 2.2L (L61) without California Emmissions, and 2.4L (LE5) engines

Link for more info
your website even says autos will have clearance issues
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Old Sep 2, 2010 | 12:18 AM
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The motor is tilted differently on an auto.

Honestly, it's the same piece as a stock LSJ, it can't be that much different.
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Old Sep 2, 2010 | 12:30 AM
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I have one for sale. Check out my for sale thread
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Old Sep 2, 2010 | 12:46 AM
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Yes it will fit just fine. The difference in the 2.4s is the downpipe.

Ive ran a zzp shorty and zzp midlength with zero issues. Though the JBP did not fit my 2.4 auto it hit on the coolant crossover pipe. And to my knowledge the 2.4 exhaust manifold is the same as an LSJ one. Even for an auto.

But im currently running the zzp shorty which is intended for use on an LSJ L61 car and it fits perfectly fine.

Honestly unless your worried about your warranty theres much better headers out there than the GMPP one and I do suggest you look into one of the many options.
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Old Sep 2, 2010 | 02:04 PM
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Originally Posted by CordiaDOHC
Yes it will fit just fine. The difference in the 2.4s is the downpipe.

Ive ran a zzp shorty and zzp midlength with zero issues. Though the JBP did not fit my 2.4 auto it hit on the coolant crossover pipe. And to my knowledge the 2.4 exhaust manifold is the same as an LSJ one. Even for an auto.

But im currently running the zzp shorty which is intended for use on an LSJ L61 car and it fits perfectly fine.

Honestly unless your worried about your warranty theres much better headers out there than the GMPP one and I do suggest you look into one of the many options.
x2 The gm manifold is garbage, your best bet is a shorty or mid-length header/downpipe combo. You'll get more bang for your buck with alot more performance.
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Old Sep 2, 2010 | 02:56 PM
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alright thanks for the advice guys
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