I would think that it won't have any impact. Mufflers are strictly for sound suppression. As far as emissions control goes, that's what the catalytic converters are for. The exhaust gases have already been 'scrubbed' by the time they get down to the mufflers.
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"There are no small accidents on this circuit." -- Ayrton Senna
316.8whp & 248 ft/lbs (Dyno Dynamics) | 319whp & 256 ft/lbs (DynoJet) (04/23/10)
Stillen G3 CAI, CBE, Pulley / F.I. LTH / GTSpec Ladder Brace / Setrab Oil Cooler / UpRev-tuned by Forged Perf.
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