Complete exhaust and air intake for non turbo IDI - Diesel Forum -
7.3L IDI Diesels (Not Power Strokes) Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

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post #1 of 3 (permalink) Old 04-14-2009, 07:45 PM Thread Starter
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Complete exhaust and air intake for non turbo IDI

Does anyone out there know where I could get a complete (y pipe back) performance exhaust kit fot my 1989 7.3 IDI non-turbo? I heard banks use to make a kit but they discontinued it. I also am looking for a cold air intake kit. I am happy with the truck and only want to help it breath a little better. Thanks.

1989 F350 Supercab Dually with 1992 front clip, Rebuilt NA 7.3. Upgraded with Turbo bottom end. Dynomax Exhaust. C6 Transmission and 4.11 LSD
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post #2 of 3 (permalink) Old 04-14-2009, 10:42 PM
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banks still has thier exhaust on their site so im sure you can still buy it as for the cold air intake your gunna have to get creative there.

1991 ext'd long box
7.3 idi E4OD ttb
had 162,000kms when i bought it 3 years ago
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post #3 of 3 (permalink) Old 04-15-2009, 09:50 PM
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I've been talking to a guy at banks, who told me they used to have a great y-pipe for the IDI fords, but they discontinued it and the only hope for performance with the banks name on it is a turbo. He even mailed me a booklet... has a cheap MBRP system for the powerstroke($289), but you'll have to adapt it to your factory y-pipe.
Dynomax sells a full kit. 2 1/2" down pipes into 3" back just before the straight through muffler, then 4" all the way back to a 5" stainless tip. Jegs has the best price i've found, $331.99 and since i'm about 40 min from Columbus Ohio, i can pick it up in one of there stores to save shipping.

As for an intake, all i've seen is some good little tricks to modify your factory intake a little, or Hypermax sells a cowl induction kit for there turbo systems that could be modified to fit for an NA motor. Don't forget the K&N.

1987 F250 XLT Lariat
Regular Cab 2x4 6.9L 5-Speed

Homemade Propane Injection.

No more diesel for me...
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