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Lets talk exhaust
stupica1 Offline
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#1
10-04-2012, 01:26 AM
Okay, So my first mod on my focus was an original focus sport 2.25" stealth exhaust from GFXJamie (how we met...good ol kijiji haha). So now im thinking of upgrading from the downpipe all the way back. cuz mines looking pretty ratty and mangled now.

So what size do you think i should go? no less than 2.5" for sure, or should I goto 3". I know lots of people talk about back pressure and whatnot...but is the idea behind an exhaust for performance to make it as free flowing as possible???

Also keep in mind Im running a zetec so im not putting out crazy power, hence why im also not sure if a 3" would really do much for me. Any suggestions!
05 focus se SLAMMED! 5 speed tranny swap with exedy stage 3 hypersingle clutch, raceland coils, MBRP exhaust, FSWERKS stage 2 turbo kit. Massive adjusting camber, toe arms. Steeda's HUGE rear sway bar with upgraded links. Roll bar in the back no backseats. no radio and tons of gauges!

...because RACECAR! haha
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Oscar The Grouch Offline
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#2
10-04-2012, 02:00 AM
If you go turbo, 3" will be fine as you'll get plenty of backpressure, otherwise, don't go any bigger than 2.5".
Sold:2001 SE 2.0L SPI w/60mm TB, Steeda Shorty Intake.

Active: 2007 SES Hatch, Motegi MR7 Rims with 215/45ZR17 Michelin Pilot Super Sport Tires, debadged, black painted calipers and drums, RS Knob, CFM Short Throw, Billet E-Brake, CFM Focus pedals, MBRP Exhaust, XCal2, FS Front and Rear Strut Tower Bars, Diamond Plate Floor Mats and Sills, Alpine MP3 Deck, Alpine V-Power 300w Amp, Pioneer IMPP Sub, AlpineType-S door speakers, VF Engineering Rear Motor Mount, F2 RS Spoiler, Tokico D-spec shocks, HTP Cross Brace, EBC Rotors, Hawk HPS Pads, Russell SS Brake Lines, RS Wheel, SVT Blue Seats, Vibrant 2.5" Race Highflow Cat, CFM UDP. Rear SVT bumper to come.

Active: 2005 Jeep Wrangler Unlimited TJ [LJ], Volant CAI, 32" BFG Mud Terrains, and a whole bunch of goodies. Big Grin
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