Cummins Non-EGR ISX Exhaust Manifold
SKU: 27875541671

Cummins Non-EGR ISX Exhaust Manifold

Sale price$877.50 Regular price$975.00
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

Cummins Non-EGR ISX Exhaust ManifoldAvailable for: 1999 2002 Non Egr ISX Cummins Engines Key Benefits 20% increase in airflow over stock 75 100 degree cooling of EGTs Made in the USA *RELIABLE INSTALLS ALL PDI PRODUCTS. CALL TO MAKE APPOINTMENT* Warranty: 3 Year Unlimited Mile Warranty We have designed our exhaust manifolds to maximize the exhaust air flow to reduce turbo lag time and cool exhaust temperatures. In the design of the manifold each port is analyzed and tested to provide a

Available for: 1999-2002 Non-Egr ISX Cummins Engines

Key Benefits

  • 20% increase in airflow over stock
  • 75-100 degree cooling of EGTs
  • Made in the USA

*RELIABLE INSTALLS ALL PDI PRODUCTS. CALL TO MAKE APPOINTMENT* 

Warranty: 3 Year Unlimited Mile Warranty

We have designed our exhaust manifolds to maximize the exhaust air flow to reduce turbo lag time and cool exhaust temperatures. In the design of the manifold each port is analyzed and tested to provide a balanced flow to the turbocharger. Big Boss Exhaust Manifolds produce, on average, a 20% air flow increase over a stock manifold, cooling exhaust temperatures by 75-100 degrees. PDI manifolds are a big part in maintaining the best exhaust pressure to boost pressure ratios which will provide potential for increased fuel economy.

At PDI, we use only the best material for our products. We use a superior grade of High Silicon with Molybdenum Ductile Iron (HSMD) that eliminates weak points such as warping, cracking, and center divider failure from heat erosion. This material, combined with a redesign of the mounting surfaces, eliminates common failures due to a fatigued manifold.

NOT LEGAL FOR SALE OR USE IN CALIFORNIA

* Required Turbo - 715500

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 27875541671

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Joyce mullis
Houston, US
★★★★★ 5
Soft, white shirt
Fit perfectly
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Reviewed in the United States on June 9, 2025
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Danny
Natrona Heights, US
★★★★★ 5
Size matters: They fit to the size you order.
Size: 34, Color: Black
I’ve found these sweatpants are light & fit to my size. Comfortable & reasonably priced, I’ve ordered a second pair.
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Reviewed in the United States on May 8, 2026
A
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ATB23
Louisville, US
★★★★★ 4
Somewhat satisfied
Size: 38, Color: Light Khaki
I like them........ but don't love them. comfortable material but fit is a little off for me. Ordered these because of the length which was perfect....... until you sit down. They tend to hike up quite a bit which was the issue with even my no so long joggers. Figured these would solve that high-water-esque issue but they did not. They really ride up the legs when seated.
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Reviewed in the United States on May 27, 2026
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Verified Purchase
quiet storm
Draper, US
★★★★★ 5
Good buy
Size: 32, Color: Black
Bought these for staff and they fit everyone perfectly. They say they are very comfortable, breathable, waterproof and fit very well.
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Reviewed in the United States on March 28, 2026
I
ITriedThisOne
Whiting, US
★★★★★ 5
Look great on my preteen with just a little chub who wears 32 or 34" with 32" inseam
Size: 32, Color: Navy, Size: 32, Color: Navy
I got these in a 32" waist for my preteen son who is between 32 and 34 right now. He either has pants that are too tight or too loose and he feels like they're falling off all the time. These fit him perfectly. The length hits just right, the stretch in the waist is enough that they fit well without squeezing his pre-growth-spurt chub out in an unflattering way. They are comfortable enough he came out with a smile and asked if he could keep them on. That hasn't happened in a very long time. He loves the pockets. I'm really hoping that when he grows a few more inches they still look as good on him. He did say they conduct the temperature a lot, so if you're wearing them outside on a cool day, you might need to layer a bit. They also do have a bit of a swish too them as they are the water repellant material, but it's a quiet swish rather than the 80s/90s rain wear swish too many of us remember too well. If you have a little chub and want to look sleek, these are a great option. I'm impressed with how flattering they are on his current build. He wears pants with a 32" inseam and these fit him just like it's shown in the ads, snug right around the ankle by the shoe. I haven't included pictures of him wearing them as there are already quite a few of those, but these do attract dog hair more than an average pair of jeans in the crotch and ankles. Why those spots, I have no idea. I just know that our cream colored Siberian husky is shedding a ridiculous amount right now and you can really see it on these pants, so be prepared to get some sort of lint roller/remover for these. As a side note, it also had the appearance of pilling in some of the pictures I took, but I couldn't see or feel anything there, so I'll be watching to see if there is randomly the same dust all over the pants or if pilling starts to happen. Also, he knows chub or no chub he's amazing and handsome and I'm proud he's mine, so it's not me being a harsh mama, just an honest mama in this review.
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Reviewed in the United States on January 18, 2026

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