XR2003 Posted November 28, 2007 Share Posted November 28, 2007 1zz - Intake, headers, Exhaust. 2zz - Intake, Port & Polish OEM exhaust manifold, & Exhaust. That's basically the foundation. Other items: Camcon - VVT-i controller Lightweight rims TRD S/C - 1zz only GReddy S/C, GM S/C, & Haas Turbo are available for the 2zz. Nitrous - applicable for both. Please add anymore mods that I may not have included. Quote Link to comment Share on other sites More sharing options...
Leighcm Posted November 29, 2007 Share Posted November 29, 2007 Could take out the cats... won't pass smog, but you can always put them back on. Quote Link to comment Share on other sites More sharing options...
XR2003 Posted November 29, 2007 Author Share Posted November 29, 2007 Suspension mods: Both 1zz & 2zz - Springs: Eibach, Tein, Progress, Hotchkiss, & TRD are the main brands that most people prefer. Coilovers: Tein SS, TRD, K-Sports are the choices. Front Strut Bar: DC Sports, TRD, Megan Sports, & the OEM Corolla XRS Front Sway Bar: Hotchkiss & TRD - as far as I can recall. Rear Sway Bar: TRD, Progress, & Hotchkiss Motor Mounts: ESMM Another equation to the suspension is the tires. The OEM Matrix tires - especially the Continentals suck!!! Only last about 15k miles before they go dangerously bald!!!! OEM rims that fit the Matrix: (5x100 bolt pattern) The Scion TC (17s & 18s) & Celica GTS (16s) P;ease add more if I have missed any. Quote Link to comment Share on other sites More sharing options...
XR2003 Posted November 29, 2007 Author Share Posted November 29, 2007 Could take out the cats... won't pass smog, but you can always put them back on. There is a high - flow cat. from Magnaflow Exhausts available for the Matrix: Magnaflow - the ONLY full cat-back exhaust on the market. All the others are axle back - meaning one would need to do a full custom piping from the cat. after. Borla - probably the best TRD - rebadged & overpriced Borla GReddy - one of best sounding exhaust Quote Link to comment Share on other sites More sharing options...
XR2003 Posted November 29, 2007 Author Share Posted November 29, 2007 Intake Manufacturers for the Matrix: 2003 - 2004 can use SRI (Short Ram Intake) or CAI (Cold Air Intake). 2005 - 2008 can use SRI, but CAI cause a CEL to appear - system running too lean. I believe Fujita and maybe Injen make a CAI for the 05 - 08 that does not cause a CEL to appear. 2004 XRS have an air pump, that partially gets in the way of installing a CAI. SRI produces a little more power off the line. CAI produces a little more power on the top end. If you are in a flood prone area - I would suggest you use a SRI - to avoid hydrolocking - a few rare instances have occurred with a CAI - AEM does make a Bypass filter if the filter does get partially submerged. But why would anyone want to cross a heavily flooded area anyway? SRI manufacturers: K&N Typhoon - best "sounding" SRI AEM SRI - comes w/ the AEM Dryflow filter, filter can be bought seperately and installed w/ other brands. Weapon R - not as widely known. Comes with a heat shield. CAI manufacturers: TRD CAI - if installed by dealership, warranty is valid. AEM CAI - comes with the AEM Dryflow filter, filter can be bought seperately and installed w/ other brands. Injen CAI - some have stated the best "sounding" intake Fujita CAI - still new but are reputed to be an excellent brand Quote Link to comment Share on other sites More sharing options...
XR2003 Posted July 15, 2008 Author Share Posted July 15, 2008 A little update: Borla has discontinued making the axleback exhaust for the 2003-2008 Matrix. You may still find some on ebay or other Toyota sites used. Vibrant does make an exhaust for the 2003-2008 Matrix as well as GReddy (DTM). Both are axleback but you can custom make piping from after the cat. to the axleback muffler. Vibrant is just a tad "throttier" than the OEM exhaust and the GReddy sounds very nice and smooth - not Honda fart can loud, but low and deep. Quote Link to comment Share on other sites More sharing options...
XR2003 Posted July 15, 2008 Author Share Posted July 15, 2008 Rims: The 2003-2008 Matrix have a wheel offset of 5x100. The 2009 models (not the XRS) also have a wheel offset of 5x100. The 2009 Matrix XRS has a wheel ofset of 5x114.3 Some Toyota rims that WILL fit on a 5x100 wheel offset: Toyota Corolla (2004 - 2008CE, LE, S, XRS (same as Matrix 16's). Toyota Celica GT (15 inch) and GTS (16 inch) Scion TC - OEM 17's and 18s. The Scion TC 17 inch rims are actually 2 lbs. lighter than the Matrix OEM 16s. Tires to fit the rims can be calculated to the same wheel diameter via: http://www.rims-n-tires.com/info_specs.jsp...%20/%20Comparer I hope this helps current and future Matrix owners. Quote Link to comment Share on other sites More sharing options...
Izaiah Posted November 9, 2020 Share Posted November 9, 2020 Can i change my automatic matrix xr into a manuel by swapping trans*? Quote Link to comment Share on other sites More sharing options...
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