Thread: SLP CAI vs K&N FILTER

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  1. #1 SLP CAI vs K&N FILTER 
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    Is there a noticeable pick up with a SLP CAI? I am currently using a K&N Filter replacement which did seem to help over a stock filter. I am using the original stock air box. Also, is it possible to modify a stock box to accept a cone filter?
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  2. #2 Re: SLP CAI vs K&N FILTER 
    SE Level Member Everblades2's Avatar
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    I don't know how much the SLP CAI costs, but I say just build your own FWI. It's a lot cheaper than aftermarket intakes and it's equally effective. There's a few write up's on how to build one and you would just put a cone on the end in place of the box with PVC as your piping.

    http://www.grandprixforums.net/fwi.php

    As for power, when I added the FWI my shift points where raised a bit and the car got a lot louder on the engine side. I felt a little bit of a gain from it and love it way more than the stock air box.
    2008 Grand Prix Base - HV3, ZZP Downpipe, Custom FWI, Dual Exhaust (Magnaflows / Magnaflow Hi-Flow Cat), 15%/25% Tint
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  3. #3 Re: SLP CAI vs K&N FILTER 
    SE Level Member buford1972's Avatar
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    I can't tell you about the difference between stock airbox to the SLP CAI. However I can let you know about going from an SLP CAI to a Thrasher CAI. When I purchaced my GTP it already had a SLP CAI and a 3.4" pulley. I bought a Thrasher CAI because I liked the way it looked and I was plesently suprised with a power increase and more of that sweet sweet blower whine.
    Comp Cams Cam. #150 springs. roller rockers. CNC heads. 3.4" pulley. P&P Gen V. 8-rib w/belt wrap. N* & LQ4. 1" phenolic spacer. P&P/coated LIM. boost temp gauge. Aeromotive fuel rails. underdrive W/P pulley. coated TOG headers. Magnaflow cat back. Random Tech DP & Cat. balance shaft delete. built trans. Hughes converter.
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  4. #4 Re: SLP CAI vs K&N FILTER 
    SE Level Member Myprixxx's Avatar
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    blower whine FTMFW i bought a wizaird back in my younger, less educated days, instead of making one but besides the money i lost i love the look over stock, the power gain was definatley noticable, and oh my g** that blower whine is incredible
    i knew this guy wasn't b/sing.
    michigan people have better stuff to do, like finding jobs or avoiding robbery.
    quoted from noreasonwhyy
    GenV, Full sized I/C, HAI, 3.0 MPS, N* TB
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