Flowmaster/Exhaust System Kit - Performance

Vehicle Specific
Part Number: 81071
Warranty: Limited Lifetime
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Price: $136.99
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Features & Benefits

The 80 series is a cross-flow design for applications where the muffler is mounted transversely behind the rear end. Delivering an aggressive muscle car sound both inside and outside the vehicle, this is an excellent replacement for Camaros & Firebirds with transverse mufflers. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

  • Aggressive and powerful exterior exhaust tone
  • Cross flow applications
  • Dyno tuned for maximum performance
  • Pipes designed to be used without heat riser
  • Flowmaster quality
Product Details
Part Number: 81071
Weight: 17.5 lbs
Warranty: Limited Lifetime
Notes: Manifold downpipes
2.5 in. Diameter; Includes 3 Bolt Flanges/Donut Gaskets/Sleeves/Hardware; 409S Stainless Steel; Will Not Work with Heat Riser
Color / Finish: Stainless Steel
Inlet Inside Diameter (in): 2.5
Installation Hardware Included: Yes
Item Grade: High Performance
Mandrel Bent: Yes
Maximum Inside Diameter (in): 2.5
Minimum Inside Diameter (in): 2.5
Outlet Inside Diameter (in): 2.5
Overall Length (in): 0
Package Contents: These are 2.5" Manifold downpipes for 65-74 Big Block Chevrolet vehicles. These include Chevelle, El Camino, Camaro, and Nova. The pipes are 409S stainless steel, and include 3-bolt flanges, donut gaskets and donut sleeves. 1965-73 Chevelle / El Camino, 1970-74 Monte Carlo, 1968-1970 GM B-body, 1968-69 Chevy II / Nova, 1967-72 Camaro
Pipe Material: Stainless Steel
Pipe Wall Maximum Thickness: 16
Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
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    Flowmaster/Exhaust System Kit - Performance


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