[MI] K&N RC-1681 4" air filter
Thread Starter
Joined: Jul 2006
Posts: 686
Likes: 2
From: Davisburg, MI
Car: 87 Evoluzione, 84 TransAm, 05 GTO
Engine: LT1, L98, LS2
Transmission: (2) T56 & (1) 700R4
Axle/Gears: Moser 12-bolt w/3.73 & Stock
K&N RC-1681 4" air filter
Unused, just like new condition. I went to a bigger turbo on my project and now this doesn't fit. Would be good if you were building your own 4inch cold air intake. I've kept it in the original box with the plastic over it.
$35 shipped 48 states.
K&N Part RC-1681 Product Specifications
Product Style: Oval Tapered Universal Air Filter
Base Outside Length: 7.031 in (179 mm)
Base Outside Width: 5.469 in (139 mm)
Flange Inside Diameter: 3.906 in (99 mm)
Flange Length: 1.468 in (37 mm)
Flange Type: Centered
Height: 4.875 in (124 mm)
Top Outside Length: 4.438 in (113 mm)
Top Outside Width: 3.313 in (84 mm)
Top Style: Metal
Top Material/Finish: Chrome
Filter Material: Cotton Gauze
Flanges: 1
Filter Re-Oiling Amount: 1.07 oz (32 ml)
Footnote 1: Base Has 7/16" Vent
Weight: 1.5 lb (0.7 kg)
Product Box Length: 7.06 in (179 mm)
Product Box Width: 7.06 in (179 mm)
Product Box Height: 7.13 in (181 mm)

$35 shipped 48 states.
K&N Part RC-1681 Product Specifications
Product Style: Oval Tapered Universal Air Filter
Base Outside Length: 7.031 in (179 mm)
Base Outside Width: 5.469 in (139 mm)
Flange Inside Diameter: 3.906 in (99 mm)
Flange Length: 1.468 in (37 mm)
Flange Type: Centered
Height: 4.875 in (124 mm)
Top Outside Length: 4.438 in (113 mm)
Top Outside Width: 3.313 in (84 mm)
Top Style: Metal
Top Material/Finish: Chrome
Filter Material: Cotton Gauze
Flanges: 1
Filter Re-Oiling Amount: 1.07 oz (32 ml)
Footnote 1: Base Has 7/16" Vent
Weight: 1.5 lb (0.7 kg)
Product Box Length: 7.06 in (179 mm)
Product Box Width: 7.06 in (179 mm)
Product Box Height: 7.13 in (181 mm)
Last edited by ACCLR8N; Jun 30, 2012 at 10:10 PM.
Thread Starter
Joined: Jul 2006
Posts: 686
Likes: 2
From: Davisburg, MI
Car: 87 Evoluzione, 84 TransAm, 05 GTO
Engine: LT1, L98, LS2
Transmission: (2) T56 & (1) 700R4
Axle/Gears: Moser 12-bolt w/3.73 & Stock
Re: K&N RC-1681 4" air filter
Bump
Thread Starter
Joined: Jul 2006
Posts: 686
Likes: 2
From: Davisburg, MI
Car: 87 Evoluzione, 84 TransAm, 05 GTO
Engine: LT1, L98, LS2
Transmission: (2) T56 & (1) 700R4
Axle/Gears: Moser 12-bolt w/3.73 & Stock
Re: K&N RC-1681 4" air filter
ttt
Thread Starter
Joined: Jul 2006
Posts: 686
Likes: 2
From: Davisburg, MI
Car: 87 Evoluzione, 84 TransAm, 05 GTO
Engine: LT1, L98, LS2
Transmission: (2) T56 & (1) 700R4
Axle/Gears: Moser 12-bolt w/3.73 & Stock
Re: K&N RC-1681 4" air filter
still available
Thread Starter
Joined: Jul 2006
Posts: 686
Likes: 2
From: Davisburg, MI
Car: 87 Evoluzione, 84 TransAm, 05 GTO
Engine: LT1, L98, LS2
Transmission: (2) T56 & (1) 700R4
Axle/Gears: Moser 12-bolt w/3.73 & Stock
Re: K&N RC-1681 4" air filter
up
Thread Starter
Joined: Jul 2006
Posts: 686
Likes: 2
From: Davisburg, MI
Car: 87 Evoluzione, 84 TransAm, 05 GTO
Engine: LT1, L98, LS2
Transmission: (2) T56 & (1) 700R4
Axle/Gears: Moser 12-bolt w/3.73 & Stock
Re: K&N RC-1681 4" air filter
up again
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