What exhaust systems do the trophy stock guys run?
 

In general, what do they use?

-longtubes or shorty? What diameter?
-h, x, prochamber, or other? What diameter?
-which mufflers?

just curious.

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1989 lx notch
89,000 miles
bolt-ons,stock heads/cam
60'- 2.07, 8.90@78, 13.93@99

anyone?

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1989 lx notch
89,000 miles
bolt-ons,stock heads/cam
60'- 2.07, 8.90@78, 13.93@99

Cut and paste, there you go...
Replacement "shorty" headers permitted, must flow through mufflers. Maximum primary tube O.D. is 1 5/8 inch. Maximum exhaust pipe O.D. is 2 1/2 inches. Exhaust exit must run to within six (6) inches of rear axle housing. Side exhaust prohibited.
My guess is they would run custom x or h pipes...


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'92 emerald coupe, no air silencer, bored stock MAF to 60mm, sub-frames welded, strut tower brace, 180 thermo, 16 deg's, K'n'N panel, bosh platniums, u.d. pullies, off road h-pipe, hurst "stir stick", fms 3.73's. otherwise, factory original.
best 1/4 = 13.264@ 100.89mph with a 1.824 60 ft. on turbines with 235/60-R15 BFG DR's

[This message has been edited by cleanLX (edited 08-03-2001).]

Try posting this in "Drag Racing Central". Jeff Chambers, a trophy stock racer, is the moderator there. He'll answer your questions.

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91 coupe
3.73's,long tubes,2 1/2" exh,ported stock t-body,ProM-77mm
cobra intake,edelbrock heads,B303,1.72 rr's
36lb inj's,tremec, & a Paxton NOVI 2000!!!
11.020 @128.95 on BFG Drag Radials (275/60/15)



[This message has been edited by SisuStang (edited 08-03-2001).]

Thanks for the replies.

Sisustang- I'll try posting over there.

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1989 lx notch
89,000 miles
bolt-ons,stock heads/cam
60'- 2.07, 8.90@78, 13.93@99