exhaust upgrades?
#1
#2
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This is a Quicksilver system with a 5 dgree ignition advance Andy bracket on a normally asperated 4.0 liter
He had problems with proper lenth between LWB and SWB models when ordering
60 mm is the pipe diameter at point X , single crossover pipe after the first catss
I think it's the same measure at the downpipe donut gasket point as 2 banks
You have to be careful on assembly at the downpipe gasket flange as the 4 down pointing studs can damage the seal flange , this effects engine regulation , runs rich
Last edited by Parker 7; 05-05-2023 at 11:51 AM.
#3
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i tried it and ended up adding some generic smaller diameter straight-through rear mufflers - it gives a bit more volume, but no drone.
simply performance has some stainless mufflers, but i haven't tried the rear boxes - i have the over axle ones, and they didn't change the sound much compared to stock.
#5
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Jaguar XJ6 Quicksilver Exhaust - YouTube
This is a Quicksilver system with a 5 dgree ignition advance Andy bracket on a normally asperated 4.0 liter
He had problems with proper lenth between LWB and SWB models when ordering
60 mm is the pipe diameter at point X , single crossover pipe after the first catss
I think it's the same measure at the downpipe donut gasket point as 2 banks
You have to be careful on assembly at the downpipe gasket flange as the 4 down pointing studs can damage the seal flange , this effects engine regulation , runs rich
This is a Quicksilver system with a 5 dgree ignition advance Andy bracket on a normally asperated 4.0 liter
He had problems with proper lenth between LWB and SWB models when ordering
60 mm is the pipe diameter at point X , single crossover pipe after the first catss
I think it's the same measure at the downpipe donut gasket point as 2 banks
You have to be careful on assembly at the downpipe gasket flange as the 4 down pointing studs can damage the seal flange , this effects engine regulation , runs rich
#7
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I echo (no pun intended) the notes above about keeping back boxes. I have two stock back boxes and straight piped everything else up to the cats, and it makes for a great deep exhaust note at full throttle while being pretty tolerable during normal driving. You could probably get a local custom exhaust shop to cut out the forward mufflers and replace them with just straight pipes but keep the back boxes intact.
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#8
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I echo (no pun intended) the notes above about keeping back boxes. I have two stock back boxes and straight piped everything else up to the cats, and it makes for a great deep exhaust note at full throttle while being pretty tolerable during normal driving. You could probably get a local custom exhaust shop to cut out the forward mufflers and replace them with just straight pipes but keep the back boxes intact.
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Parker 7 (05-17-2023)
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