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12-14-2007, 01:45 PM #1
- Join Date
- Jun 2007
- Location
- Baltimore, MD.
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- 728
Bright Red- 2000 Pontiac Trans Am WS6
Low dollar single in/out catback info/vids
Got tired of being teased about running my stock catback, and probably choking off some horsepower, so I finally swapped it out. Keep in mind I already had a Borla adjustable and a Magnaflow...didn't like the sound of either, so stuck with the stocker for most of the Summer. Ironically, the new setup sounds damn near identical to the Magnaflow, lol...Maybe the new setup will free up a tenth or so. Car went 11.67@115 with stock catback FWIW.
I pieced it together for about 175 bucks total and the car actually "feels" better at most any rpm when driving.
Parts used:
$54.39 Dynomax #54064 I pipe
$66.39 Dynomax #53061 over axle pipe
$25.00 Force Pro-Series 3" chambered muffler (new, but secondhand)
$21.98 Riker 3" 90* elbow
$18.98 Riker 3" turndown spout
Five 3" Stainless steel band clamps (already had)
I did have to make/weld a hanger onto "tailpipe", but was able to use stock rubber hanger. I need to figure out how to keep exhaust from "moving"...It sort of moved around with stock catback as well. It doesn't hit anything, but in last video, you'll see what I mean by "move", lol.
Here's a couple quick videos...
One of car idling and revved, a couple others taken in-car, and another quick warm idle vid...
2002 Silverado Z71 ECSB HPTuners tuned by yours truly
2000 Pontiac Trans Am WS6 6.0, 4L80E, 9" rear
webpage: http://www.fquick.com/rel3rd/
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12-14-2007, 02:16 PM #2
Nice write-up and sounds great
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12-14-2007, 02:19 PM #3
- Join Date
- Jun 2007
- Location
- Baltimore, MD.
- Posts
- 728
Bright Red- 2000 Pontiac Trans Am WS6
Thank you.
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12-14-2007, 03:26 PM #4
thanks for that now i have a perfect diagram for my exhaust
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12-14-2007, 04:33 PM #5
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12-15-2007, 04:00 AM #6
- Join Date
- Oct 2006
- Location
- St. Clair Shores. Michigan
- Age
- 55
- Posts
- 1,602
Navy Blue Metallic- `98 Formula M6 HdTp
Very Nice and sounds great.
Flowmaster sells a kit that is very similar (part# 17134) except it doesn't have a turndown, the tailpipe comes straight out and is slash cut. It uses a 2 chamber 40 series muffler. I've had it on my car for 8 yrs.Craig
Semi Retired Street Racer
2012 Lava Red Mustang GT Coupe Brembo/3.73's
Build Date 3/17/11, Last Lava Red GT
Gone but not forgoten
NBM `98 Formula M6 HdTp
1 of 1 Build Date 3/12/98
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12-15-2007, 09:51 AM #7
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12-15-2007, 02:07 PM #8
- Join Date
- Oct 2006
- Location
- St. Clair Shores. Michigan
- Age
- 55
- Posts
- 1,602
Navy Blue Metallic- `98 Formula M6 HdTp
Sorry no vids but it does sound similar to yours.
The Kit is listed for `95-97 Dual cat LT1 cars but it will fit LS1's cause the Ypipes exit in the same location. the only addition i did to mine was I added a 18" long 3.5" slash cut Stainless tip.
This is the only pic that I have and there isn't much to see
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12-15-2007, 02:25 PM #9
- Join Date
- Jun 2007
- Location
- Baltimore, MD.
- Posts
- 728
Bright Red- 2000 Pontiac Trans Am WS6
hmmm...learn something new everyday.
Good looking car!
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