Hello from Fla. Newbie here I have a 09 srt-8 challenger , I have had the car one year ,it has 4500 miles on it , I have 3 mods, predator tune , nitto's , and factory headers with with the new factory pipes . The car has a great sound but did not improve HP, the headers are very small in diameter, I would suggest to anyone wanting to buy them , to not waste your time or money except it is still under factory warranty . The best I have turned is 12.95 on a 65* nite and moderate humidity, I did the same thing a month earler with out the factory headers , other wise it likes 13. teens , it is automatic . My question is about adding a new throttle body , How big is the stock one? and if I change it ! what mm should I get ? Glad to be here , Thanks Bob
id say get a 85-87 mm
performance mods:mopar cai,diablo tuner,magnaflow catback,custom billet strut brace,275-40-20 toyo proxe 4, BT catch can ,180 thermostat
visual mods:chrome pillars,door handles and mirrors,rear glass wing,BT badges,BT center caps,BT engine dress up kit,led tails, clear side markers,tint
first track experience-13.1 at 108...just added 6k lows and fogs..
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2008 Charger SRT
Welcome to the Forums from the BX, NY.
2007 Dodge Charger R/T
Steel Metallic Blue
Current Mods: Vortech S/C, Magnaflow CatBack, 180 T-Stat, BT Catch Can, Predator 93 Vortech Tune, Getrag 3.06 LSD
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although the headers are from mopar i don't think they are covered under your warranty (definitly not if the part number begins with a P*******).
Ralph is right on the warranty but don't sweat it.
I'd stick with the stock throttle body for now, and spend that money on a Diablo tuner. With the long tube headers and perhaps a cold air intake you might do better to get a custom tune done on the car. Than to get a bigger throttle body, which is going to also require a custom tune to really take advatage of.
2006 MSRT8 in Brilliant Black, Options I,II,III, Sunroof and Sideairbags, Free Auto On Headlight Mod, Headlights on wth wipers, Highbeams on with Fog Lights, Hacked Nav, MOPAR Remote Start, BLACKEND I-Pass, Tailgate Plugs, 20% Tint Side Front Windows, Smoke LED Tailights, Airhammer CAI, Kooks LoKo Coated headers, Hi-Flow Cats, JBA 3" Cat Back, eibach sways. Fri Ported Intake, Fri Street Heads, Fri Littleboy Cam, P.I. 2800 Stall Converter, Custom Autometer 5 gauge over the visor pod, B.T. 65 Standard Hurst Shift conversion, TommyZ Hood S.N. 2. 180 degree T-Stat, BT Ported TB.
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HEMI: (HEM-e) adj. Mopar in type, V8, native to United States. Carnivorous, eats primarily Mustangs, Camaros and Corvettes. Also enjoys smoking a good import now and then to relax.