exhaust question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

dion · 09-13-2004, 04:00 PM

Has anybody gone from a side or back tailpipe to turn downs? What did you think? Did it sound better at all?

Thanks.

MylilBowTie · 09-13-2004, 04:18 PM

My guesstamation: Louder and more resonance, Im sure rear height also will affect the sound.

Longhorn Man · 09-13-2004, 04:36 PM

I did.
I went from a full length system that exited under the bumper with 12 inch glass packs installed backwards (basicly straight piped) to a set of much quieter turbo style muffs. The noise inside the truck went up 3 fold. I used to be able to talk in the cab at 45 MPH, now you can't even think about talking at 45 or more.
It finally quiets down at about 80 - 85, and don't get loud again untill you're really workin it at about 105 or so.

71Rat · 09-13-2004, 05:06 PM

my exhaust goes back and then bends like it would be exiting behind the wheel and then turns down...... you dont see anything but when you drive over some dust or dirt it gets blown around...... in my opinion it sounds great like an old muscle car.. i have all 2.5 inch with an "H" pipe and 2 chamber flowmasters.

Best of luck
Rat

crazy longhorn · 09-13-2004, 08:04 PM

I went from turndowns , to side exit (ahead of the wheels), to rear exit. the Hooker comps run into 2 1/2" pipe/H pipe, & 50's flows, about 18" behing the cab). The 2 1/2" tail pipes run up over the axle,around the fuel cell, & exit through the back bumper.....man does that sound nice! the old chev has a nice deep, hollow rumble (cruisin).....above 2500, that system really sounds off tho

thats the way I like it ....crazyL

dion · 09-14-2004, 11:17 AM

Thanks guys, I might give it a try. I agree, turndowns sound awesome.

09-13-2004, 04:00 PM	#1
dion 72 Cheyenne Join Date: Oct 2001 Location: San Diego Posts: 2,086	exhaust question Has anybody gone from a side or back tailpipe to turn downs? What did you think? Did it sound better at all? Thanks. __________________ Burnout Idle 1972Cheyenne 1966/67Stouts

09-13-2004, 04:18 PM	#2
MylilBowTie Right turn Clyde Join Date: Nov 2002 Location: Cincinnati, Ohio Posts: 2,911	My guesstamation: Louder and more resonance, Im sure rear height also will affect the sound. __________________ 1974 C25 LWB: 454 4bbl Carb / TH400 / 3.73 1992 Camaro RS 305 TBI

09-13-2004, 05:06 PM	#4
71Rat ran out of money Join Date: Apr 2003 Location: northern, NJ Posts: 925	my exhaust goes back and then bends like it would be exiting behind the wheel and then turns down...... you dont see anything but when you drive over some dust or dirt it gets blown around...... in my opinion it sounds great like an old muscle car.. i have all 2.5 inch with an "H" pipe and 2 chamber flowmasters. Best of luck Rat __________________ Modify everything, leave nothing alone!~

09-13-2004, 08:04 PM	#5
crazy longhorn Fabricate till you "puke" Join Date: Jun 2002 Location: Ill Posts: 9,402	I went from turndowns , to side exit (ahead of the wheels), to rear exit. the Hooker comps run into 2 1/2" pipe/H pipe, & 50's flows, about 18" behing the cab). The 2 1/2" tail pipes run up over the axle,around the fuel cell, & exit through the back bumper.....man does that sound nice! the old chev has a nice deep, hollow rumble (cruisin).....above 2500, that system really sounds off tho thats the way I like it ....crazyL __________________ 69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears....

09-14-2004, 11:17 AM	#6
dion 72 Cheyenne Join Date: Oct 2001 Location: San Diego Posts: 2,086	Thanks guys, I might give it a try. I agree, turndowns sound awesome. __________________ Burnout Idle 1972Cheyenne 1966/67Stouts

09-13-2004, 04:36 PM	#3
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	I did. I went from a full length system that exited under the bumper with 12 inch glass packs installed backwards (basicly straight piped) to a set of much quieter turbo style muffs. The noise inside the truck went up 3 fold. I used to be able to talk in the cab at 45 MPH, now you can't even think about talking at 45 or more. It finally quiets down at about 80 - 85, and don't get loud again untill you're really workin it at about 105 or so.



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