What aftermarket air cleaners will fit on a gen 5 tbi 454

[Warrick454]

I have a 1995 k2500 with a tbi 454, I’m planning on buying a set of headers and a whole exhaust system for it, and I don’t really want to keep the stock air cleaner, i know I’ll need a tbi air cleaner stud, but I don’t know what will fit the tbi 454 throttle body.

 

[99xcss4]

I think you can use what ever you want as long as it is 5-1/8

 

[99xcss4]

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[454cid]

Keep the stock air cleaner unless you want your engine to run on hot air. You can replace the tube that goes to the fender with something without the resonator box.

 

[L31MaxExpress]

Keep the stock air cleaner unless you want your engine to run on hot air. You can replace the tube that goes to the fender with something without the resonator box.

If someone can find a tube that will fit the large oval opening for the 454 air cleaner, I am all ears. I have been trying unsucessfully for 6 months, even messaged a Youtuber that pulled apart a 454 van to try to find one.

 

[454cid]

If someone can find a tube that will fit the large oval opening for the 454 air cleaner, I am all ears. I have been trying unsucessfully for 6 months, even messaged a Youtuber that pulled apart a 454 van to try to find one.

Usually people use the V6 tube, but your van has a larger opening than a truck, correct?

 

[L31MaxExpress]

Usually people use the V6 tube, but your van has a larger opening than a truck, correct?

All 454 TBIs have the same larger opening on the snorkel. It is roughly 2x the size of the small block opening. I want to say it is a 5" x 8" oval on a 454 air cleaner.

 

[L31MaxExpress]

The 454 air cleaner base has a bit of a factory tapered power bowl as well.

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[454cid]

Have you tried fabricating something? Maybe an oval adapter to round made of fiberglass?

 

[L31MaxExpress]

Have you tried fabricating something? Maybe an oval adapter to round made of fiberglass?

Nope, just slapped a 14x3 open element on it, because it really does not matter here in Texas. The IATs will hit 160F and beyond even with the stock air ducting. Once rolling down the highway they will still be 120-140F. Only real advantage to the sealed ducting is less intake noise and an OE look.