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09 GH WRX Premium Note Log

2009 Subaru Impreza
Property of bmann. Added Jul 19 2015

Showing all notes


Aug 28 2023

New rebuilt rear diff, 3.9 R160 with VLSD from an earlier year WRX. Purchased from ZF Design for 795.96 and installed by In Boost Performance for 593.61.

  • 157,297

Added by bmann on Aug 30 2023 at 4:56 pm


Aug 15 2023

In Boost Performance: Diagnose growling noise – it appears to be the rear differential, there were several big chunks of metal on the magnet and the differential gears are badly worn. Drained and replaced rear diff oil with Subaru High Performance Gear Oil - 75w90.

Added by bmann on Aug 22 2023 at 6:12 pm


Aug 10 2023

DIY oil and filter change - Motul 8100 Eco-nergy 5w30 synthetic ($58.71 - flatironstuning.com) with Subaru Tokyo Roki Oil Filter - 15208AA100 ($12.49). Miles on motor: 78,520

  • 156,697

Added by bmann on Aug 11 2023 at 12:58 am


Jul 25 2023

DIY transmission fluid change - Redline Lightweight Shockproof x 3 and Motul Gear 300 75w90 gear oil x 0.5 quarts. $81 + tax. Also, replaced front blinkers Sylvania 1157A.

  • 154,559

Added by bmann on Jul 25 2023 at 5:31 pm


Cleaned the COBB SF Intake filter with COBB Universal Air Filter Cleaning Kit-Clear. $20 plus tax

  • 154,554

Added by bmann on Jul 25 2023 at 5:29 pm


Jul 20 2023

Alignment Les Schwab

  • 154,378

Added by bmann on Aug 15 2023 at 10:50 pm


DIY Replaced both tie rod ends (34141AA042)

  • 154,376

Added by bmann on Aug 15 2023 at 10:48 pm


Apr 27 2023

DIY oil and filter change - Motul 8100 Eco-nergy 5w30 synthetic ($66.10 - flatironstuning.com) with Subaru Tokyo Roki Oil Filter - 15208AA100 ($12.49). Miles on motor: 74,973

  • 153,150

Added by bmann on Apr 29 2023 at 1:34 pm


Nov 26 2022

DIY oil and filter change - Motul 8100 Eco-nergy 5w30 synthetic (1 qt new combined with remaining oil, $13.88 - flatironstuning.com) with Subaru OEM Filter ($5.27). Miles on motor: 71,829

  • 150,006

Added by bmann on Nov 26 2022 at 8:04 pm


Jul 18 2022

Bought tires and had them installed: 225/45/17 Michelin Pilot Sport 4 All Season. $177 x 4, plus hazard protection, fees, tax. Discount for unused mileage of previous Michelin PS4S (-32.84 x 3) and one free tire due to unrepairable damage (-177.00) covered by Discount Tire certificate.

  • 147,368

Added by bmann on Jul 20 2022 at 12:38 am


May 22 2022

DIY oil and filter change - Motul 8100 Eco-nergy 5w30 synthetic ($55.97 - flatironstuning.com) with Subaru Tokyo Roki Oil Filter - 15208AA100 ($11.50). Miles on motor: 67,986.

  • 146,163

Added by bmann on May 28 2022 at 8:46 am


Apr 21 2022

Changed to summer tires (Michelin PS4S) after X,XXX miles on winter tires (Nokian Hakkapeliitta R3).

  • 145,332

Added by bmann on Apr 24 2022 at 10:24 pm


Apr 19 2022

Les Schwab alignment

  • 145,277

Added by bmann on Apr 24 2022 at 10:22 pm


Apr 17 2022

Installed Tein Flex Z coilovers

  • 144,200

Added by bmann on Apr 24 2022 at 11:03 pm


Jan 15 2022

Installed new hood supports (57251FG010).

  • 143,792

Added by bmann on Jan 19 2022 at 11:15 pm


Jan 10 2022

Installed Mach V Cobb Accessport Vent Mount, $69 + shipping

  • 143,670

Added by bmann on Jan 15 2022 at 8:19 pm


Nov 15 2021

DIY oil and filter change - Motul 8100 Eco-nergy 5w30 synthetic ($55.97 - flatironstuning.com) with Subaru Tokyo Roki Oil Filter - 15208AA100 ($11.50). Miles on motor: 63,834.

  • 142,011

Added by bmann on Nov 15 2021 at 10:23 pm


Sep 1 2021

Replaced alternator with new OEM part (23700AA521) from subarupartsdeal.com.

  • 139,552

Added by bmann on Sep 2 2021 at 12:20 am


Aug 11 2021

The Boost Creep: Flex Fuel tune + Gas tune. HP --> 40% over stock, 30% over Stage 1 tune.

  • 138,880

Added by bmann on Aug 16 2021 at 6:45 pm


Aug 10 2021

In Boost Performance: Injector Dynamics ID1050X, AEM High Flow Fuel Pump, Cobb Flex Fuel Kit, Cobb Fuel Pressure Sensor Kit, Fuelab Filter, -6AN, 6 micron, Subaru OEM Fuel Filter, iWire Green Alternator Plug, Engine Oil Filler Tube (15250AA062), NGK Spark Plugs LFR7AIX (gapped to .022), misc fittings.

  • 138,879

Added by bmann on Aug 16 2021 at 6:43 pm


Aug 8 2021

DIY oil and filter change - Motul 8100 Eco-nergy 5w30 synthetic ($52.31 - flatironstuning.com) with Subaru Tokyo Roki Oil Filter - 15208AA100 ($11.50). Miles on motor: 60,577

  • 138,754

Added by bmann on Aug 8 2021 at 4:59 pm


Jul 17 2021

DIY oil and filter change - Motul 8100 Eco-nergy 5w30 synthetic ($52.31 - flatironstuning.com) with Subaru Tokyo Roki Oil Filter - 15208AA100 ($11.50)

  • 135,891

Added by bmann on Jul 17 2021 at 8:50 pm


May 13 2021

DIY transmission fluid change - Redline Lightweight Shockproof x 3 and Motul Gear 300 75w90 gear oil x 0.5 quarts. $81 + tax. Also, DIY rear diff fluid change - Subaru High Performance Gear Oil - 75W90. $11 + tax.

  • 132,751

Added by bmann on May 13 2021 at 8:11 pm


May 12 2021

DIY oil and filter change - Motul 8100 Eco-nergy 5w30 synthetic ($47.19 - flatironstuning.com) with Subaru Tokyo Roki Oil Filter - 15208AA100 ($11.50)

  • 132,697

Added by bmann on May 13 2021 at 8:02 pm


May 6 2021

DIY tonneau cover (65550FJ021VH), passenger front wheel well plastic (59110FG002), clips for hood scoop (909140061), battery positive terminal (81608YC000), tie down (82182AG001), and boot (81611AG002). Also, fixed rattling noise from front passenger brakes by replacing the top caliper slide pin. Previous one from NAPA was the wrong one and slightly too small.

  • 132,395

Added by bmann on May 7 2021 at 1:39 am


Apr 19 2021

DIY replaced starter with NAPA 2446920 remanufactured starter. Car wouldn't start but turns out the starter was probably not the problem since after I installed the new starter I found a loose connection from the positive battery cable.

  • 131,794

Added by bmann on Apr 21 2021 at 2:16 pm


Apr 17 2021

DIY front brake calipers from NAPA (277.24 - 116.96 = 160.28), Mach V stainless steel brake lines (120.43), speed bleeders (36.95), flushed brake fluid with ATE Type 200 Amber (17.50). New Interstate battery MTP-35 (181.32).

  • 131,773

Added by bmann on Apr 17 2021 at 6:43 pm


Apr 4 2021

Changed to summer tires (Michelin PS4S) after 4,895 miles on winter tires (Nokian Hakkapeliitta R3).

  • 131,714

Added by bmann on Apr 17 2021 at 6:36 pm


Mar 9 2021

DIY Cobb SF Intake & Airbox, 715300

  • 130,143

Added by bmann on Mar 9 2021 at 9:28 pm


Feb 23 2021

DIY oil and filter change - Motul 8100 Eco-nergy 5w30 synthetic ($49.54 - flatironstuning.com) with OEM filter ($5.27 - estore.subarupartswarehouse.com), Bosch ICON 24" and 16" wipers ($54), Sylvania H11 XtraVision headlight bulbs ($33).

  • 129,645

Added by bmann on Feb 23 2021 at 11:20 pm


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