SKU: 43319556611

CAT C13 ACERT BIG BOSS EXHAUST MANIFOLD

Sale price$893.25 Regular price$992.50
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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

CAT C13 ACERT BIG BOSS EXHAUST MANIFOLDAvailable for: 2004. 5 2010 Caterpillar C13 Acert Engines CAT manifold CARB EO# D773 2 Key Benefits 20% increase in airflow over stock 75 100 degree cooling of EGTs Made in the USA Warranty: 3 Year Unlimited Mile Warranty *RELIABLE INSTALLS ALL PDI PRODUCTS. CALL TO MAKE APPOINTMENT* ** Our CAT C13 Acert Big Boss Exhaust Manifold replaces CAT OEM Part Number 250 4409 We have designed our exhaust manifolds to maximize the exhaust air flow to reduce

Available for: 2004.5 - 2010 Caterpillar C13 Acert Engines 

CAT manifold CARB EO# D773-2

Key Benefits

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

Warranty: 3 Year Unlimited Mile Warranty

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

** Our CAT C13 Acert Big Boss Exhaust Manifold replaces CAT OEM Part Number 250-4409

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.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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: 43319556611

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Amazon Customer
Los Angeles, US
★★★★★ 5
Nice Men's Shirt
Size: X-Large, Color: Grey
My husband loves this shirt. It is comfortable and fits him perfectly!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 20, 2026
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Traveler
Lexington, US
★★★★★ 3
read the fine print
Size: X-Large, Color: Black
I really need to learn to read the small print. That pocket line on the chest turned out to be a fake pocket and the actual; zipper on the sleeve is also a fake pocket; my bad but in my defense I'd never dreamed that anyone would put either on a shirt. Also my search term was men's "cotton shirt w/ pocket shirt" and it brought up this polyester wonder. But at least it fits well and seems well made.
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Reviewed in the United States on November 20, 2025
B
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Brian Andrew Martin
Battle Creek, US
★★★★★ 5
High‑style look that feels way more expensive than it is.
Size: X-Large, Color: Orange
Okay, let’s talk about this shirt because I was not expecting to love it as much as I do. The Men’s Long Sleeve Polo Shirt with the quarter‑zip is giving premium designer energy without the designer price tag. From the moment I put it on, the fit was chef’s kiss—slim, clean, and athletic without feeling tight. The fabric has that smooth, high‑end feel you usually only get from brands that make your wallet cry. But here? You’re getting elevated style at a totally reasonable price.
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Reviewed in the United States on December 30, 2025
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Kimberly M.
Charlottesville, US
★★★★★ 2
Very thin
Size: Large, Color: White
Very thin, poor quality. Returned it.
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Reviewed in the United States on March 7, 2026
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Robert Paul
Whiting, US
★★★★★ 5
It’ll be a nice cosplay (Polka-Dot Man)
Prompt shipment. As described. Great seller. Would recommend!
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Reviewed in the United States on December 27, 2025

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