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#1
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Exhaust Questions
I am going to be buying the Magnaflow catback for my car but had a quick question. http://store.summitracing.com/partde...1&autoview=sku so the catback has 3" in and 3" out correct? Also is it worth it to get a high flow cat, I have emissions in my state so I would have to replace that when I went for emissions.
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White 07 STI, Bone stock for now |
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#2
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Re: Exhaust Questions
you can run a high flow cat and still pass. And i think there is an option on the size, you can get 2.5 or 3. And i think the cat is worth it. Don't spend tons of money on one tho.
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95 Z71 Silverado 4x4 ext. cab Mods- Flowmaster Exhaust,Intake |
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#3
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Re: Exhaust Questions
on the cat, yes it is worth it in my opinion... i'm using a 3in random technology high-flow cat, i don't have the restriction, but i still can pass emisions so i like it
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'92 RS lt1/t56, lt4 hot cam, 30lb injectors, 54mm throttle body, full exhaust, 4.11 posi, 4 coil ignition, alluminum driveshaft, adj rear suspension, low. springs, electric water pump, custom tune. |
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#4
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Re: Exhaust Questions
Plus the cat helps keep Ricer-raspberry sounds out of your exhaust note.
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1998 GTP sedan Mods:MPS 3.4|180Tstat|PowrTuned|AL104's|SSAC's|DIY HAI|F-body's|GMPP H.K.|Gen2 SSC|KYB GR-2|Hand e-brake|Bucket Rear Seats Soon:Appearance mods|some secret stuff|Audio stuff Future: 12 second DD |
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#5
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Re: Exhaust Questions
Quote:
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White 07 STI, Bone stock for now |
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#6
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Re: Exhaust Questions
if your v-8 sounds like rice then there is something else wrong with the car...
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92 z28 camaro 5.7 TPI current - slp intake runners and base-BBK 52mm throttle body-MSD 8.5mm wires, blaster coil, and 6AL Box-edelbrock headers-160 degree stat.-hotchkis strut tower brace waiting in the garage - LQ4, milled heads 317 casting (10.5 to 1), hardened pushrods, ported LS6 oil pump, manley dual spings with titanium retainers, MTI X1 cam, hawks longtube headers
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#7
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Re: Exhaust Questions
lol, that reminds me, in my town there is a black 2000 ss camaro with two fart cans on it, i want to drag that guy out of it, and beat his ass. lol
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95 Z71 Silverado 4x4 ext. cab Mods- Flowmaster Exhaust,Intake |
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#8
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Re: Exhaust Questions
all those fart cans are are resonators...I think they look gay hanging out of the back of a muscle car but they couldnt of sounded that bad...
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92 z28 camaro 5.7 TPI current - slp intake runners and base-BBK 52mm throttle body-MSD 8.5mm wires, blaster coil, and 6AL Box-edelbrock headers-160 degree stat.-hotchkis strut tower brace waiting in the garage - LQ4, milled heads 317 casting (10.5 to 1), hardened pushrods, ported LS6 oil pump, manley dual spings with titanium retainers, MTI X1 cam, hawks longtube headers
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#9
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Re: Exhaust Questions
Definately go with 3" and magnaflow is a very good choice. 3" in/out high flow cat would be nice, but what would be better is getting a 3" in.out, 18" long bullet muffler/resonator, weld cat shields around it, and get tuning done for that, which includes deleting the rear O2 sensor, and deleting COT aka cat overtemp protection. COT dumps extra fuel in at WOT so you don't lean out and burn up your cat. Good for cat life, bad for power.
There's my two cents.
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97 Camaro - 2.077 60', 14.745 @ 92.20 - still down, one year later. 194k miles-160* thermo-V8 shocks/springs (V6 rear springs)-3" Magnaflow !cat (3" dynomax bullet) back-SLP CAI-stock boxed LCAs-poly tranny mount and torque arm bushing-custom HPTuners tuning-4.10s/eaton/TA girdle-3.5" alum DS-spohn LCA brackets-prostar skinnies 179.75 RWHP, 204.52 RWTQ ON ITS WAY: MORE R.I.P. Andy 87 Benz 190e - DD 01 EX250 - still gotta get my license for this thing |
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#10
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Re: Exhaust Questions
no, it was 100% rice muffler,it was a fart can, and sounded like rice but loud rice, like it was going to bow the guts out of the muffler.
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95 Z71 Silverado 4x4 ext. cab Mods- Flowmaster Exhaust,Intake |
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#11
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Re: Exhaust Questions
I hate that sound. It needs to rumble all through the RPM range for me.
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1998 GTP sedan Mods:MPS 3.4|180Tstat|PowrTuned|AL104's|SSAC's|DIY HAI|F-body's|GMPP H.K.|Gen2 SSC|KYB GR-2|Hand e-brake|Bucket Rear Seats Soon:Appearance mods|some secret stuff|Audio stuff Future: 12 second DD |
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#12
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Re: Exhaust Questions
Quote:
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Buick Park Avenue, 1997 |
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#13
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Re: Exhaust Questions
So would any 3" universal high flow cat on ebay work once its welded on...
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White 07 STI, Bone stock for now |
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#14
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Re: Exhaust Questions
pretty much...
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'92 RS lt1/t56, lt4 hot cam, 30lb injectors, 54mm throttle body, full exhaust, 4.11 posi, 4 coil ignition, alluminum driveshaft, adj rear suspension, low. springs, electric water pump, custom tune. |
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#15
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Re: Exhaust Questions
ya, but if you have a o2 sencer on the cat, you will have to bypass it if so.
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95 Z71 Silverado 4x4 ext. cab Mods- Flowmaster Exhaust,Intake |
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