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823 Flo-Pro 4" Cat-Back Exhaust - Aluminized GM 2001-2005 EC-CC/SB-LB w/ 4 Bolt Flange

SKU: FP823
Manufacturer: FloPro Exhaust
FloPro's 4" Aluminized Cat-Back Exhaust for your 2001 - 2005 GMC/Chevy Duramax 6.6L LB7 / LLY - With Muffler, No Tip. This exhaust system is for trucks with an OEM 4 Bolt Flange coming off of the catalytic convertor.

PRODUCT DETAILS (click to expand)

Mftr. Part# 823
UPC 842974005137
Weight (lbs.): 70.00 lbs.
Dimensions: 18.50" x 57.50" x 12.00"

PRODUCT SPECS (click to expand)

Exhaust Type Cat Back
Brand FloPro
Finish Aluminized Steel
Includes Muffler(s) Yes
Includes Tip(s) No
Size 4"
$357.00 (CAD)
Documents & Articles

Fits: GMC/Chevy Duramax Diesel 2001-2005 6.6L 2500/3500 w/ LB7/LLY engine. Extended Cab, Long/Short box, SRW & DRW. Does not fit Suburban.

This exhaust system is for trucks with an OEM 4 Bolt Flange coming off of the catalytic convertor.

  • 4" Mandrel bent tubing for maximum flow
  • Lower Exhaust Gas Temperatures
  • More Pulling Power
  • Utilizes OEM Hangers
  • Increased Horsepower and Torque
  • Aluminized Steel material

Flo-Pro's exhaust kits are made from 16ga mandrel bent steel. Offering both Aluminized and T409 Stainless Steel exhaust systems, they have one of the most diverse products on the market. They have direct fit exhaust kits for your Cummins, Duramax or Powerstroke! With all pre-bent and pre-welded hangers, you never have to guess where a pipe goes. Everything just fits right into place.

They also offer a full line of polished T304 exhaust tips to put the finishing touch to the best sounding exhaust in the industry! So whether you've got a diesel relic, a shiny rig right off the lot or ANYTHING in between, the performance exhaust solution is with FLO~PRO.



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MBRP Exhaust Tip - 4" x 6" x 12" Angled Dual Wall Polished Stainless

SKU: MBT5072
$89.99 CAD
This dual wall MBRP exhaust tip fits 4" exhaust systems - it has a 4" inlet, 6" outlet, and is 12" long with an angled rolled end and a polished stainless finish. No welding required.