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05-12-2017, 12:36 PM
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#1 |
 
Drives: 2016 Camaro 1SS M6 Join Date: Jun 2016
Location: Tampa,Fl
Posts: 34
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Exhaust smell with headers HFC
Since my install of tsp headers and hfc with dyno tune ive always had that slight exhaust smell whenever i come to a stop with the windows down or going through a drive thru? Some days i smell it more and some days i dont smell kt much at all. Is this normal? My car seems to run fast though always. Here is my dyno sheet.
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05-12-2017, 12:55 PM
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#2 |
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Drives: Camaro Justice Join Date: Jun 2007
Location: Virginia
Posts: 20,171
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High flow cats are not as clean as OEM cats so there may be a bit more old skool scent to the exhaust. It wouldn't hurt to check for leaks.
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05-12-2017, 01:08 PM
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#3 |
          Drives: 2010 Camaro SS/RS Join Date: Mar 2014
Location: somewhere in MD
Posts: 4,883
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Normal, try running with no cats lol
I like the smell with metallic cats more than catless. Sweeter smelling unburnt gasoline with the metallic cats. Can't wait to see how E85 smells
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2010 2SS/RS
Z/28 intake, NW, FAST 102, speed engineering LT's, some exhaust, ATI -10% pulley, GM flex fuel injectors, DSX flex fuel sensor, MGW shifter, HP Tuners, some suspension work, stickers and a little weight loss. 12.63 @113.53 |
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05-12-2017, 01:16 PM
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#4 |
 
Drives: 2014 Camaro 2SS/RS Crystal Red Tint Join Date: Oct 2014
Location: RhodeIsland
Posts: 231
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I can't smell anything unless i go to the back of the car.Maybe your down wind when you smell it?
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Mods: V Max TB/ American Thunder Catback/ Granatelli Wires/ CAI/Catch Can,Stainless Power Headers/JRE Tune
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05-12-2017, 01:22 PM
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#5 |
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GPI Sales Consultant
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Yep - I have some pleasant old school muscle scent with high-flow cats. Ode de horsepower!
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GPI Max Package 2.0: Brodix BR7 heads/GPI porting, MAX3 cam, ST2116LSR, BSR Max Lift rockers, LS7 LSXR with 103mm TB, Vararam OTR, Mcleod RXT, G-Force/Strange 9" IRS setup with 4.63 gear. 551whp, 11.1@124mph.
Got a question about a GPI product? Feel free to shoot me a message!  |
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05-12-2017, 01:35 PM
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#6 | |
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Drives: 2016 Camaro 1SS M6 Join Date: Jun 2016
Location: Tampa,Fl
Posts: 34
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Quote:
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05-12-2017, 03:13 PM
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#7 | |
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Drives: 2016 Camaro 1SS M6 Join Date: Jun 2016
Location: Tampa,Fl
Posts: 34
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Quote:
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05-12-2017, 09:22 PM
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#8 | |
Drives: 14 SS/ 1LE Join Date: Jun 2013
Location: parts unknown
Posts: 937
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Quote:
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2014 1SS/1LE
AGP 57/57s, E85 + meth injection, Monster triple, ZL1 diff swap, Z28 coilovers |
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05-13-2017, 01:13 AM
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#9 |
Drives: Savitar; The 500rwhp N/A Monster! Join Date: Aug 2016
Location: Middletown, Ohio
Posts: 2,914
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I have no cats and the only time mine are really prominent smelling is on a cold start. Other than that I never smell them
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*SOLD*504HP/433TQ | Night Fury cammed Cold Air Inductions intake Bo White ported TB Speed Engineering 1 7/8 longtubes NPP catback QTP low profile cutouts Powerbond 25% UDP 3.73 gears JRE scoop ZL1 grille R1 Concepts drilled/slotted rotors built/tuned by Weapon X Motorsports
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05-13-2017, 02:27 AM
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#10 |
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USA-1
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So, I have no cats and i can definitely smell the exhaust if I'm sitting at a stop. I did notice though that if I have my windows about halfway up it significantly reduces the smell.
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"A Camaro in the garage is safe, but that's not what Camaros are built for..."
R2C CAI / Apex Scoop / VMAX Ported TB / Speed Engineering LTHs / X-pipe / GPI port/rod-mod intake manifold / Circle D 3200 278mm Converter / 3.91 gears / DynoSteve tuned / 1LE Shocks/Struts/Toe Links / ZL1 Rear Sway Bar / Z/28 Trailing arms / Prothane Radius Arm & Subframe Bushings / BMR UCA Bracket, Steering rack bushing / B&M Tranny Cooler / RX Catch Can / Jannetty Tranny Dipstick / 2012+ Heater Hose / 2013+ Rearview Mirror / Fuel rail flip / Drake shifter / Oil Cooler Delete |
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