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BTG has to get their story straight. When I spoke with them last week they said that the reason they didn't make a 2.5 is because it is too big and hits the frame on every bump. I asked them how Borla et al were doing it and they said that they were not aware of any 2.5" systems. Where have they been? I would have bought the BTG but I really wanted the 2.5. Even Mopar acknowledges the benefit of the 2.5. Obviously they could have used the 2.25 Borla unit as the aftermaket offering but they did not. So on goes my 2.5 Borla when it gets here this week....(Thanks Ant!)
As for the split exhuast, it is just show. It will add nothing on the dyno.
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Mean Green, I will measure it tonight. I do like the sound of the new exhaust. The roads are still icy so I haven't been able to check on the increase in performance.
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The Mopar exhaust is 2 1/2" measured at OD.
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\'05 Stone White SRT4 \'04 Graphite PT Automatic |
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I drove the stage 1 at the Block Party with the Borla 2.5" duals and it was very quiet and made good power. I could not tell if the power was from stage 1, 2004 model engine, or a combo!
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06 GT Auto, Cool Vanila Exterior, Presto Change O 3bl, Cargo Mat and Net, Billet Oil Cap, Yoko Avid 4Vs Tires, 03 GT Wheels, 4 Chrome Door Handle Screw Covers, MOPAR Mud Flaps, H&R Rear Sway Bar, Freedom Strut Tower Bar, Rear Door Sill Covers. |
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I really dont think that 1/4 will make that big of a diff.
just my opinion
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2003 Dream cruiser 2 #1434 mopar bov and k&n drop in filter ,billet shorty antenna, silencers removed, custom painted rear shelf that says\"Dream Cruiser II\"and maybe, doubtfully soon------stage 1 |
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\'05 Stone White SRT4 \'04 Graphite PT Automatic |
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Mean Green, The tail pipes are 1 3/4".
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Two 1 3/4" pipes will flow more exhaust than one 2.5". I am not an engineer but I think that the reason why the Mopar design includes the so called "octypipes" is to insure that the flow will be equal out both tail pipes.
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