I fitted a JT 3" DP and back system this summer. Came via speedparts and was a horror show that only speedparts seems to be able to pull off.

With that, eventually, as a single change, I have a lot more power/torque. It sounds quite quiet when on the throttle, but is not quiet at idle. When the engine is cold it is very boomy, especially in a garage. After the engine is warm, it is much improved. After using it for a while, the mufflers may be working better as something changes with the packing. I would never recommend this as a self install! Needs an experienced muffler man with custom experience to make fittment adjustments. Mine needed a torque to move a hanger, more than that should have been done and one pipe was 1.0 - 1.25" inches too long and had to be cut with an abrasive wheel. Pipe cutters would not touch it. And the above does not include what was wrong with the kit. But Nick really worked to get things right.

It has two glass pack type muflers in it. These are of the drilled or perforated tube type, not louvered (which is good). I got the all stainless system.

I have a K&N replacement element, a metal BPV and a SMBC. Without changing the SMBC my tires overpower the pavement (1st and 2nd) under many situations. It did not do that prior to the exhaust change.

Tried to install a big speedparts IC, to many manufacturing defects to complete the install, stock IC put back. Another speedparts disaster! (boo)

03 9-5 Aero Wagon manual stixen (his) 50K
04 9-5 Aero Wagon autoboxen (hers) newish

posted by 69.149.14...

• Exhaust upgrades (regardless of model!), Patrick (Houston), Mon, 15 Nov 2004 19:03:56
  • Remus here, dip, Tue, 16 Nov 2004 07:32:39
  • Re: B234R w/JT downpipe, CarSound/Magnaflow..., zeke, Tue, 16 Nov 2004 04:05:28
    • The tail-pipe on my JT is rusting at the joint between, Bill Davies, Tue, 16 Nov 2004 10:02:59
      • Bill, I don't have the JT muffler or tail-pipe..., zeke, Tue, 16 Nov 2004 10:21:41
        • Flex-pipe, Pa Taket, Wed, 17 Nov 2004 04:03:38
          • The stock flex-pipe wil bolt-up to the rear of..., zeke, Wed, 17 Nov 2004 05:19:02
            • That's what I figured you were doing!, Pa Taket, Wed, 17 Nov 2004 05:57:20
              • If Bo' waits much longer, he could...., zeke, Wed, 17 Nov 2004 06:37:41
                • Descending Dollar, Pa Taket, Wed, 17 Nov 2004 10:46:22
        • Hi, Zeke - didn't read your post properly! Wasn't, Bill Davies, Tue, 16 Nov 2004 13:34:29
  • I vote for the Saab/Remus system...., MI-Roger , Tue, 16 Nov 2004 03:53:49
  • Remus by far, daveship, Tue, 16 Nov 2004 02:43:42
  • Re: Exhaust upgrades (regardless of model!), Dean, Mon, 15 Nov 2004 21:47:29 <-- Viewing This Message
    • Speedparts through Nick has been good to me, Drew in Houston, Mon, 15 Nov 2004 22:15:46
      • user error?, Dean, Tue, 16 Nov 2004 09:31:37
        • Re: user error?, Drew in Houston, Tue, 16 Nov 2004 17:30:28
          • Re: user error?, Drew in Houston, Tue, 16 Nov 2004 18:10:18
      • I made my own with 3 inch mandrel bends front to back, jak , Tue, 16 Nov 2004 06:30:10
  • Re: Exhaust upgrades (regardless of model!), Drew in Houston, Mon, 15 Nov 2004 21:10:45
    • my feelings on BIG pipe :-), jak , Tue, 16 Nov 2004 18:50:34
      • Well, I went with the 3" because I kind of figured, Drew in Houston, Tue, 16 Nov 2004 20:58:40
        • Big, low, rumbly sounds....., zeke, Wed, 17 Nov 2004 05:31:22
    • Been meaning to call you about that..., Dave in Houston, Tue, 16 Nov 2004 07:29:19
  • Re: Exhaust upgrades (regardless of model!), Talladega900, Mon, 15 Nov 2004 19:20:20

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