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Thread: Current rear diffuser options?

  1. #1
    Join Date
    Aug 2018
    Location
    Sacramento, CA
    Posts
    12

    Current rear diffuser options?

    Hey all, my rear diffuser is cracked and I want to replace it - so far I can only find OEM replacements and eBay CF OEM style diffusers that ship from China. Does anyone else offer aftermarket or OEM style replacements that Iím missing?


    Sent from my iPhone using Tapatalk

  2. #2
    Join Date
    Aug 2018
    Location
    Sacramento, CA
    Posts
    12
    No one has any recommendations?

  3. #3
    Join Date
    Jun 2012
    Location
    Socal
    Posts
    1,026
    because that's about it really. there's a csl style one from inside performance but that would require you to modify the exhaust.

  4. #4
    Join Date
    May 2011
    Location
    Kensington, Maryland
    Posts
    2,202
    I've seen the carbon fiber diffuser on a few cars and I really like it. I think John Rando has one on his ZHP, you can ask him where he got it.
    2005 Jet Black 6MT ZHP "Family First"
    ~Rob~

  5. #5
    Join Date
    Mar 2011
    Location
    Independence KY
    Posts
    2,040
    I’ve got a full 2x2 weave CF diffuser and love it, but I got mine from Belgium and it was the last one available
    2005 BMW 330i ZHP - BMWP brakes/intake/strut bar/shifter, Coby wraps interior, BBS CHs, Eagle Eye LED tails, GC coilovers, 2x2 CF MTECH2 diffuser, Sprint Booster/sport button mod, 4.5 LCM, Xtrons 9inch HU, BSW stg1, dynamat, M3 sedan dead pedal
    2017 Toyota 4Runner TRD Pro Cement Gray - OE blackout badges, Innovativ HIDs, Phillips LED fogs, CanvasBack full rear coverings



  6. #6
    Join Date
    Jan 1970
    Location
    Southern California
    Posts
    16,641
    The c/f diffusers are NLA.

    Sent from my SM-G955U using Tapatalk
    Randeaux/Rando/John/jr - '06 Cic ZHP; Southern California
    "ZHP or not, I still like you"


    ZHP Performance Package, Cold Weather Package, Leather, Jet Black/Black/BlackCube, NAV
    ESS Stage 1 Twin Screw Supercharger, Sprint Booster, BMW Perf Intake, Magnaflow Exhaust, Dinan TB & STEP S/W, Ground Control Coilovers, UCC Sway Bars, Apex EC-7 18x8.5 ET38
    Dynavin D99+, Hardwire V1 (w/V1 Connection), BSW Stage 1 Speakers, Kicker Amp/Subwoofer
    BMW Performance Strut Brace, Orion V2 Angel Eyes, No-holes License Plate, SMG Paddle Shift Mod, Besian VANOS, Gold DISA, Fan Delete, M3 Side Mirrors
    Note: Actual car no longer resembles signature picture

  7. #7
    Join Date
    May 2011
    Location
    Charleston SC
    Posts
    6,129
    I got a Chinese one years ago. It's an overlay, I had to fix a few things to get it to fit the way I wanted but It's held up well over the last 10 years
    Dinan CAI &Throttle body, ESS Tuning TS2, Bimmerbrakes gen3 headers, UUC SSK & DSSR. Achilles oil pump, VAC oil pan baffle
    M3 Motor mounts, UUC Trans mounts, Modified clutch style LSD 3.15, TMS front subframe reinforcement, Koni Yellow sports,
    H&R sport springs,
    UUC sway bars, BMW Perf. Rotors, UUC SS brake lines, Hawk HPS pads, CSL replica wheels,
    Rotora strut bar, FXR HID conversion, M3 Mirror conversion, BSW stage 1 speakers

  8. #8
    on my car the rear diffuser is cracked as well and looking around can't find much option, the CF on on ebay is around $250-300.
    Also if some one point me to the instructions on how to install it.

  9. #9
    Join Date
    Jan 1970
    Location
    Southern California
    Posts
    16,641
    Don't hv instructions, but it's very easy. To remove, a few of those expanding rivet screws on the bottom, and one on the upper left if you are looking at car from rear. Then it just gently 'slides' out. Very intuitive. To replace, same thing in reverse. You kinda slide it in while hooking onto tabs, then pop in rivot screws. Sorry is this is not clear as it's from memory a long time ago but it's not a mechanical thing at all, more like an easy puzzle piece.

    Sent from my SM-G955U using Tapatalk
    Randeaux/Rando/John/jr - '06 Cic ZHP; Southern California
    "ZHP or not, I still like you"


    ZHP Performance Package, Cold Weather Package, Leather, Jet Black/Black/BlackCube, NAV
    ESS Stage 1 Twin Screw Supercharger, Sprint Booster, BMW Perf Intake, Magnaflow Exhaust, Dinan TB & STEP S/W, Ground Control Coilovers, UCC Sway Bars, Apex EC-7 18x8.5 ET38
    Dynavin D99+, Hardwire V1 (w/V1 Connection), BSW Stage 1 Speakers, Kicker Amp/Subwoofer
    BMW Performance Strut Brace, Orion V2 Angel Eyes, No-holes License Plate, SMG Paddle Shift Mod, Besian VANOS, Gold DISA, Fan Delete, M3 Side Mirrors
    Note: Actual car no longer resembles signature picture

  10. #10
    Join Date
    May 2011
    Location
    Charleston SC
    Posts
    6,129
    That sounds accurate John.
    Dinan CAI &Throttle body, ESS Tuning TS2, Bimmerbrakes gen3 headers, UUC SSK & DSSR. Achilles oil pump, VAC oil pan baffle
    M3 Motor mounts, UUC Trans mounts, Modified clutch style LSD 3.15, TMS front subframe reinforcement, Koni Yellow sports,
    H&R sport springs,
    UUC sway bars, BMW Perf. Rotors, UUC SS brake lines, Hawk HPS pads, CSL replica wheels,
    Rotora strut bar, FXR HID conversion, M3 Mirror conversion, BSW stage 1 speakers

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