- Dual exhaust, gas mileage, 90 Lincoln Towncar
- EGR Valve Not Receiving Vacuum Signal...Failed SMOG Test
- Catalytic Converter Low Flow?
- i dont know what to do
- Flowmaster 70 series
- O2 sensor replacement question: which ones?
- Just had Magnaflow & tips installed
- Dealer cost to replace exhaust manifold on a 97' 4.6 Windsor
- Heat Shield
- O2 Senors
- CORSA Exhaust Help
- k&n fipk system versus just a k&n filter
- $100 for work a good price??
- Need advice
- header sound clips
- Drivers side manifold removal need opinions?
- Sound & Exit: Borla versus Magnaflow
- SD Emissions Laws
- HELP!!! Broken manifold studs
- what headers for gt-40p heads F150
- Brand Exhaust?
- Fake K&N intake systems
- Header Question
- trying to decide on an exaughst
- 2003 FX4 f-150
- any gain using flowmaster mufflers on a lightning
- manifold cracked, dealer wants 2g's, haha, help
- Muffler shop in the DFW area
- 4"x18" Black Chrome Stainless Tips
- Exhaust Tips
- Any pictures of exhaust angled out the back of the truck?
- Tips size matter?
- Rattlin' Noise = Exhaust Upgrade
- Need a exhaust
- Li'l Help on Tips
- How much to run some pipes??
- Side Exit Before the Wheel on a 2004. Post PICS Please!!!
- Muffler
- straight pipes
- New exhaust today!
- Sweet exhaust and a excellent dude to install
- collector leak
- tesing O2 sensors
- Headers
- DI/DO?
- Midpipe on a 2001 ext cab f150
- Borla Catback
- Headers on a 4.6, worth it? Anyone with experience?
- '93 lightning shorty headers
- Got exhaust clip
- Converterless exhaust?
- SI/Do Question
- flowmaster 40 drone
- lodest exaust
- I just ordered my exhaust!
- Know these????
- Bosch O2 sensors???
- 2005 Single exit exhausts
- Flowmaster on the S-Crew!
- Magnaflow Purchase!
- 4.9 Exhaust
- Exhaust pipe tips
- Any one have Jegs Powertone cat back exhaust????
- is 4wheelersupply.com legit?
- 04 4.6l exhaust
- header ?'s
- reseting computer?
- Exhaust setup help with SI/DO
- Chrome Plated Steel or Stainless Steel?
- 2005 F150 5.4 exhaust ideas
- O2 sensors
- Running aftermarket dual exhaust...
- anybody with summit dual exhaust????
- popping magnaflow
- Dualing a 4.2 V6
- Exhaust
- Single to Dual or Dual to Dual? That is the Question!!
- performance exaust
- Duals In Front Of The Tires
- egr fitting leak
- torque specs/manifold help!!!!!!
- Do straight pipes alter performance?
- Exhaust Tip Question
- Exhaust tips for a 4.2 V6
- headers/rtv needed?
- whats the rattle noise???
- Exhaust Gasket Needed For 1994
- Long Tube Header suggestions
- exhaust squeak/leak
- getting a Magnaflow, do I need a tip?
- Exhaust Pics
- No More Crap
- Sorry More Exhaust Questions
- Need Exhaust Input Fast PLEASE!
- Aftermarket exhuast questions
- performance for a 4.9?
- Altering my exhaust...
- Muffler Info- Very interesting
- Exhaust Question
- Roush Exhaust
- One Chamber Flowmaster
- Opinions?
- Do I need an aftermarket exhaust
- SOME AxxHOLE
- What is this part called?egr tube??
- SI/DO....OK for future MODS?
- Another Silly Exhaust Question
- Yes True Duals
- headers on a new 5.4 3v??
- Exhuast System
- Does this Meineke quote sound right?
- Side-Exhaust
- flowtech???!!!???
- Exhaust question.
- Ravin price
- Headers?
- HELP! Just installed new catback Magnaflow
- Question on dual vs. single
- 3 options for new exhaust-->
- Flowmaster for 04 F150 5.4
- placement of my mufflers
- Jet Hot
- Flowmasters on an 04 FX4
- Need Help
- New 3" exhaust for $30...Pics
- 50 Series Delta Flow
- Sound Clip
- custom exhaust
- exaust on a 4.2 please help!
- SLP Loudmouth
- very happy with my decision on dual exhaust
- New flowmaster
- 2004 lariat question
- Check engine Light/head gasket leak maybe
- Please tell me i didn't mess up
- Keeping the shine.
- Rusty manifold (s) HELP PLEASE !!!!!!!
- Does this affect warranty???
- Flowmaster vs. Magnaflow (and everyone else)
- exhaust woes
- Magnaflow
- exhaust
- Shorty Equal length headers
- Edelbrock vs Dynomax UltraFlow
- Quiet Performance Exhaust
- Question on "Y" installation?
- Backpressure?
- 2001 Supercrew, what inlet/outlet pipe size?
- Good deals on Flowmaster systems...
- Side pipes on a Harley...
- Finding an exhaust leak...
- ok i need exhaust resonators. help please
- Is there a way to test an O2 sensor?
- help with muffler question
- Straight pipes or muffler
- si/do or si/so (Magnaflow)
- 2004 5.4 exhaust
- Muffler design
- Midas & Flowmaster
- slight rattle
- My dilema on exhaust system
- True Dual exhaust system
- Any adjustments necessary?
- Wanted to Buy: Stock Catalytic Converters
- What is it?
- Muffler vs Exhaust System
- new exhaust
- force flow mufflers?
- Need "Thunder" Exhaust Sound
- Not muffler with straight pipes
- muffler
- Holley Thunder
- Flowmaster and sound
- Decision made - thanks for the input!
- 4.6L exhaust
- does warrenty void?
- Factory exhaust
- 1997 Exhaust Leak
- Ravin Z33?
- Best exhaust?
- Better Gas Mileage and performance
- Size of exhaust????
- exhaust for 02 GT
- High-Flow Cat size
- loud, Louder, LOUDEST
- exhaust that has enough back pressure....
- Dual Exhaust
- Aero Turbine on 01 5.4L
- Obdii
- Loude exhaust in cold
- Exhaust leak
- inertia switch
- German Man need help
- Gibson exhaust?
- 4.9L, can it get loud?
- Check Engine light
- Need help choosing exhaust ASAP!
- gutting the cats
- newbie
- Stainless Steel Muffler
- need good ex./ wife want let spend $$$
- Rattle
- how to get a nice sound
- Gibson Headers
- Electric exhaust cutout!
- EGR problem-too much flow
- flows or glasspacks
- Banks Monster Exhaust
- does it matter that one exhaust tip is lower than the other?
- i am new
- Running And Idling Rough
- Best performance exhaust
- 97 O2 Sensor Prob?
- New to the forum
- Talk about a nice sound!!!
- Magnaflow Tips pics?
- MIL Eliminators?
- headers
- Heddman Headers Yes/no..?
- cat back side exit exaust
- Need some help...
- Flowmaster Super 40 compared to Reg 40
- r replacing cats worth the $
- Ravin Muffler
- ECR Flow Insufficient
- what would be best for the v6
- Duel Exhaust with 3" all the way
- banks power
- Does Borla make a kit for....
- 88 f-150 exh. manifold swap
- 5.4l Exhaust Manifold Matching?
- Harley Davidson Style Tips
- Exhaust system
- Exhaust system 97 4.2L
- getting exhaust
- Exhaust Questions
- 04 F150 with dual outlet flowmaster
- 04 F150 Exhaust
- Which Muffler vs Price?
- More power without too much noise....
- new exhaust
- '02 5.4L Best exhaust for mileage/performance
- Summit Racing Exhaust
- help
- Catalytic info thanks dirtyd0g
- Exhaust Mani-fold Bolt
- Borla
- got a pair of hi flow cats sitting in the kitchen
- JBA and Magnaflow drone
- exhaust ??