xpipe or pro chamber
 

I was trying to decide which will make the most diffrence in power & sound tone on my 99 gt, A mac pro-chamber or a off road x pipe. The off road hpipe is just to loud with my 2 chamber flows. thanx

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black 99 GT,cobra hood & nose. offroads flows, 4.10s, fms pullies, pro 5.0, C&L 80mm, K&N, cold air, 13.77 @ 99.87 on cheaters.

An X-pipe will flow well and will quiet your exhaust notes some. It will actually make your exhaust higher pitched, like an Indy car.

I have heard good things about the Pro-Chamber, but have never heard one.

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'94 Cobra
308ci, ported GT-40 heads, Crane 2031 cam .513"/.529" lift 276°/282° duration, 70mm TB, Custom 80mm MAF, JMS chip, Vortech S-trim 8#, MSD, TREX fuel pump, Accel coil, 3.55's, FMS 1 5/8 headers, BBK Offroad H-pipe, and 2-chamber flows.
1994 Mustang Cobra
Check out the pics of my Motor Buildup!

I have the Bassini X with the low restriction cats. I aggree with Rebel'79, they are higher pitched than an H-pipe. I think they have a kinda "hi-tech V-8" urgency to them when you let it scream past 5000 rpms.
Dan

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'96 Cobra, Steeda G-Trac
Stage III Suspension, K&N
Filter,77mmPro-M,FMS Ceramic
Coated Headers,Bassini-X Pipe,
FMS Al D/S, FMS 3.73's, Cobra R's ,
Firestone SZ-50 275-40x17's,
Powerslot Rotors, Preformance Friction Z rated pads,
(Track PF90 Compound pads),Steeda Tri-Ax,
Schroth Restraints,Kuhmo Victoracers(for the track)
Steeda Functional Wing.
1:32min @ Summit Point