Best quality and sounding Exhaust
#61
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If you have this issue and never got your car tuned, you will be in for a treat with the gained power. I specialize in tuning xk and xkr pm me for details
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2008 XKR Convertible, (mods: AlphaJagTuning ECU Tune , 1.5lb pulley, (200cel cats( are now melted), xpipe, Bosch 001 pump, 180 Thermostat.
Drag strip : 7.9sec 1/8mi 90 MPH . 1/4 mile 12.55 at 111.98mph
432rwh Dyno on Mustang Dynometer , Approx 511 crank HP.
2013 XJ 5.0 Supercharged, (stock with Alpha Jag ECU tune), estimated power: 600+ hp, 7.7sec 1.8th mi/95mph
![](https://www.jaguarforums.com/forum/signaturepics/sigpic171814_2.gif)
Drag strip : 7.9sec 1/8mi 90 MPH . 1/4 mile 12.55 at 111.98mph
432rwh Dyno on Mustang Dynometer , Approx 511 crank HP.
2013 XJ 5.0 Supercharged, (stock with Alpha Jag ECU tune), estimated power: 600+ hp, 7.7sec 1.8th mi/95mph
#62
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Thats is absolutely incorrect. I just purchased a complete CAT back exhaust system from them. They start the manufacturing process after payment, usually takes upwards of 46 days.
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